Home / 11,400.04-15,717.42-9,348.38

Finding the Fourth Proportional to 11,400.04, 15,717.42 and 9,348.38

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Solution

The fourth proportional to 11,400.04, 15,717.42 and 9,348.38 is: 12,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.04 : 15,717.42 = 9,348.38 : x
  2. Step 2: Convert to fraction form
    11,400.04/15,717.42 = 9,348.38/x
  3. Step 3: Cross multiply
    11,400.04x = 15,717.42 × 9,348.38
  4. Step 4: Simplify right side
    11,400.04x = 146,932,414.78
  5. Step 5: Solve for x
    x = 146,932,414.78/11,400.04
  6. Step 6: Final answer
    x = 12,888.76

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Double scale
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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.