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Finding the Fourth Proportional to 16,959.80, 23,401.50 and 10,240.92

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Solution

The fourth proportional to 16,959.80, 23,401.50 and 10,240.92 is: 14,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.80 : 23,401.50 = 10,240.92 : x
  2. Step 2: Convert to fraction form
    16,959.80/23,401.50 = 10,240.92/x
  3. Step 3: Cross multiply
    16,959.80x = 23,401.50 × 10,240.92
  4. Step 4: Simplify right side
    16,959.80x = 239,652,863.78
  5. Step 5: Solve for x
    x = 239,652,863.78/16,959.80
  6. Step 6: Final answer
    x = 14,130.65

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Half scale
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Double scale
Find fourth proportional to 16,960.80, 23,402.88 and 10,241.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.