Home / 15,287.32-21,086.79-11,044.62

Finding the Fourth Proportional to 15,287.32, 21,086.79 and 11,044.62

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Solution

The fourth proportional to 15,287.32, 21,086.79 and 11,044.62 is: 15,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287.32 : 21,086.79 = 11,044.62 : x
  2. Step 2: Convert to fraction form
    15,287.32/21,086.79 = 11,044.62/x
  3. Step 3: Cross multiply
    15,287.32x = 21,086.79 × 11,044.62
  4. Step 4: Simplify right side
    15,287.32x = 232,895,582.57
  5. Step 5: Solve for x
    x = 232,895,582.57/15,287.32
  6. Step 6: Final answer
    x = 15,234.56

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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.