Home / 11,253.60-15,534.24-8,467.20

Finding the Fourth Proportional to 11,253.60, 15,534.24 and 8,467.20

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Solution

The fourth proportional to 11,253.60, 15,534.24 and 8,467.20 is: 11,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.60 : 15,534.24 = 8,467.20 : x
  2. Step 2: Convert to fraction form
    11,253.60/15,534.24 = 8,467.20/x
  3. Step 3: Cross multiply
    11,253.60x = 15,534.24 × 8,467.20
  4. Step 4: Simplify right side
    11,253.60x = 131,531,516.93
  5. Step 5: Solve for x
    x = 131,531,516.93/11,253.60
  6. Step 6: Final answer
    x = 11,687.95

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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.