Home / 42,549.06-63,818.71-11,386.74

Finding the Fourth Proportional to 42,549.06, 63,818.71 and 11,386.74

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Solution

The fourth proportional to 42,549.06, 63,818.71 and 11,386.74 is: 17,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,549.06 : 63,818.71 = 11,386.74 : x
  2. Step 2: Convert to fraction form
    42,549.06/63,818.71 = 11,386.74/x
  3. Step 3: Cross multiply
    42,549.06x = 63,818.71 × 11,386.74
  4. Step 4: Simplify right side
    42,549.06x = 726,687,057.91
  5. Step 5: Solve for x
    x = 726,687,057.91/42,549.06
  6. Step 6: Final answer
    x = 17,078.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.