Home / 18,490.08-25,513.99-10,531.29

Finding the Fourth Proportional to 18,490.08, 25,513.99 and 10,531.29

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Solution

The fourth proportional to 18,490.08, 25,513.99 and 10,531.29 is: 14,531.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.08 : 25,513.99 = 10,531.29 : x
  2. Step 2: Convert to fraction form
    18,490.08/25,513.99 = 10,531.29/x
  3. Step 3: Cross multiply
    18,490.08x = 25,513.99 × 10,531.29
  4. Step 4: Simplify right side
    18,490.08x = 268,695,227.75
  5. Step 5: Solve for x
    x = 268,695,227.75/18,490.08
  6. Step 6: Final answer
    x = 14,531.86

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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.