Home / 11,127.68-15,358.08-6,414.70

Finding the Fourth Proportional to 11,127.68, 15,358.08 and 6,414.70

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Solution

The fourth proportional to 11,127.68, 15,358.08 and 6,414.70 is: 8,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.68 : 15,358.08 = 6,414.70 : x
  2. Step 2: Convert to fraction form
    11,127.68/15,358.08 = 6,414.70/x
  3. Step 3: Cross multiply
    11,127.68x = 15,358.08 × 6,414.70
  4. Step 4: Simplify right side
    11,127.68x = 98,517,475.78
  5. Step 5: Solve for x
    x = 98,517,475.78/11,127.68
  6. Step 6: Final answer
    x = 8,853.37

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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.