Home / 12,677.68-17,499.60-8,711.92

Finding the Fourth Proportional to 12,677.68, 17,499.60 and 8,711.92

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Solution

The fourth proportional to 12,677.68, 17,499.60 and 8,711.92 is: 12,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.68 : 17,499.60 = 8,711.92 : x
  2. Step 2: Convert to fraction form
    12,677.68/17,499.60 = 8,711.92/x
  3. Step 3: Cross multiply
    12,677.68x = 17,499.60 × 8,711.92
  4. Step 4: Simplify right side
    12,677.68x = 152,455,115.23
  5. Step 5: Solve for x
    x = 152,455,115.23/12,677.68
  6. Step 6: Final answer
    x = 12,025.47

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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.