Home / 10,931.52-16,397.10-7,060.80

Finding the Fourth Proportional to 10,931.52, 16,397.10 and 7,060.80

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Solution

The fourth proportional to 10,931.52, 16,397.10 and 7,060.80 is: 10,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931.52 : 16,397.10 = 7,060.80 : x
  2. Step 2: Convert to fraction form
    10,931.52/16,397.10 = 7,060.80/x
  3. Step 3: Cross multiply
    10,931.52x = 16,397.10 × 7,060.80
  4. Step 4: Simplify right side
    10,931.52x = 115,776,643.68
  5. Step 5: Solve for x
    x = 115,776,643.68/10,931.52
  6. Step 6: Final answer
    x = 10,591.08

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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.