Home / 18,209.67-25,129.32-10,254.47

Finding the Fourth Proportional to 18,209.67, 25,129.32 and 10,254.47

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Solution

The fourth proportional to 18,209.67, 25,129.32 and 10,254.47 is: 14,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.67 : 25,129.32 = 10,254.47 : x
  2. Step 2: Convert to fraction form
    18,209.67/25,129.32 = 10,254.47/x
  3. Step 3: Cross multiply
    18,209.67x = 25,129.32 × 10,254.47
  4. Step 4: Simplify right side
    18,209.67x = 257,687,732.41
  5. Step 5: Solve for x
    x = 257,687,732.41/18,209.67
  6. Step 6: Final answer
    x = 14,151.15

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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.