Home / 11,472.48-17,175.60-7,951.20

Finding the Fourth Proportional to 11,472.48, 17,175.60 and 7,951.20

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Solution

The fourth proportional to 11,472.48, 17,175.60 and 7,951.20 is: 11,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.48 : 17,175.60 = 7,951.20 : x
  2. Step 2: Convert to fraction form
    11,472.48/17,175.60 = 7,951.20/x
  3. Step 3: Cross multiply
    11,472.48x = 17,175.60 × 7,951.20
  4. Step 4: Simplify right side
    11,472.48x = 136,566,630.72
  5. Step 5: Solve for x
    x = 136,566,630.72/11,472.48
  6. Step 6: Final answer
    x = 11,903.85

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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.