Home / 11,414.24-15,747.32-8,437.22

Finding the Fourth Proportional to 11,414.24, 15,747.32 and 8,437.22

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Solution

The fourth proportional to 11,414.24, 15,747.32 and 8,437.22 is: 11,640.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.24 : 15,747.32 = 8,437.22 : x
  2. Step 2: Convert to fraction form
    11,414.24/15,747.32 = 8,437.22/x
  3. Step 3: Cross multiply
    11,414.24x = 15,747.32 × 8,437.22
  4. Step 4: Simplify right side
    11,414.24x = 132,863,561.06
  5. Step 5: Solve for x
    x = 132,863,561.06/11,414.24
  6. Step 6: Final answer
    x = 11,640.16

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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.