Home / 15,498.38-23,331.90-14,120.58

Finding the Fourth Proportional to 15,498.38, 23,331.90 and 14,120.58

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Solution

The fourth proportional to 15,498.38, 23,331.90 and 14,120.58 is: 21,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,498.38 : 23,331.90 = 14,120.58 : x
  2. Step 2: Convert to fraction form
    15,498.38/23,331.90 = 14,120.58/x
  3. Step 3: Cross multiply
    15,498.38x = 23,331.90 × 14,120.58
  4. Step 4: Simplify right side
    15,498.38x = 329,459,960.50
  5. Step 5: Solve for x
    x = 329,459,960.50/15,498.38
  6. Step 6: Final answer
    x = 21,257.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.