Home / 12,932.50-17,847.24-7,631.86

Finding the Fourth Proportional to 12,932.50, 17,847.24 and 7,631.86

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Solution

The fourth proportional to 12,932.50, 17,847.24 and 7,631.86 is: 10,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.50 : 17,847.24 = 7,631.86 : x
  2. Step 2: Convert to fraction form
    12,932.50/17,847.24 = 7,631.86/x
  3. Step 3: Cross multiply
    12,932.50x = 17,847.24 × 7,631.86
  4. Step 4: Simplify right side
    12,932.50x = 136,207,637.07
  5. Step 5: Solve for x
    x = 136,207,637.07/12,932.50
  6. Step 6: Final answer
    x = 10,532.20

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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.