Home / 11,426.39-17,132.66-7,472.87

Finding the Fourth Proportional to 11,426.39, 17,132.66 and 7,472.87

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Solution

The fourth proportional to 11,426.39, 17,132.66 and 7,472.87 is: 11,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.39 : 17,132.66 = 7,472.87 : x
  2. Step 2: Convert to fraction form
    11,426.39/17,132.66 = 7,472.87/x
  3. Step 3: Cross multiply
    11,426.39x = 17,132.66 × 7,472.87
  4. Step 4: Simplify right side
    11,426.39x = 128,030,103.57
  5. Step 5: Solve for x
    x = 128,030,103.57/11,426.39
  6. Step 6: Final answer
    x = 11,204.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.