Home / 12,560.27-17,344.83-8,091.77

Finding the Fourth Proportional to 12,560.27, 17,344.83 and 8,091.77

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Solution

The fourth proportional to 12,560.27, 17,344.83 and 8,091.77 is: 11,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.27 : 17,344.83 = 8,091.77 : x
  2. Step 2: Convert to fraction form
    12,560.27/17,344.83 = 8,091.77/x
  3. Step 3: Cross multiply
    12,560.27x = 17,344.83 × 8,091.77
  4. Step 4: Simplify right side
    12,560.27x = 140,350,318.67
  5. Step 5: Solve for x
    x = 140,350,318.67/12,560.27
  6. Step 6: Final answer
    x = 11,174.15

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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.