Home / 15,287.11-21,086.50-11,044.41

Finding the Fourth Proportional to 15,287.11, 21,086.50 and 11,044.41

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Solution

The fourth proportional to 15,287.11, 21,086.50 and 11,044.41 is: 15,234.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287.11 : 21,086.50 = 11,044.41 : x
  2. Step 2: Convert to fraction form
    15,287.11/21,086.50 = 11,044.41/x
  3. Step 3: Cross multiply
    15,287.11x = 21,086.50 × 11,044.41
  4. Step 4: Simplify right side
    15,287.11x = 232,887,951.47
  5. Step 5: Solve for x
    x = 232,887,951.47/15,287.11
  6. Step 6: Final answer
    x = 15,234.27

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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.