Home / 16,686.40-23,026.23-9,131.23

Finding the Fourth Proportional to 16,686.40, 23,026.23 and 9,131.23

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Solution

The fourth proportional to 16,686.40, 23,026.23 and 9,131.23 is: 12,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.40 : 23,026.23 = 9,131.23 : x
  2. Step 2: Convert to fraction form
    16,686.40/23,026.23 = 9,131.23/x
  3. Step 3: Cross multiply
    16,686.40x = 23,026.23 × 9,131.23
  4. Step 4: Simplify right side
    16,686.40x = 210,257,744.60
  5. Step 5: Solve for x
    x = 210,257,744.60/16,686.40
  6. Step 6: Final answer
    x = 12,600.55

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Double scale
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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.