Home / 8,350.40-12,531.68-6,726.56

Finding the Fourth Proportional to 8,350.40, 12,531.68 and 6,726.56

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Solution

The fourth proportional to 8,350.40, 12,531.68 and 6,726.56 is: 10,094.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.40 : 12,531.68 = 6,726.56 : x
  2. Step 2: Convert to fraction form
    8,350.40/12,531.68 = 6,726.56/x
  3. Step 3: Cross multiply
    8,350.40x = 12,531.68 × 6,726.56
  4. Step 4: Simplify right side
    8,350.40x = 84,295,001.13
  5. Step 5: Solve for x
    x = 84,295,001.13/8,350.40
  6. Step 6: Final answer
    x = 10,094.73

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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.