Home / 10,531.70-15,793.16-4,287.47

Finding the Fourth Proportional to 10,531.70, 15,793.16 and 4,287.47

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Solution

The fourth proportional to 10,531.70, 15,793.16 and 4,287.47 is: 6,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.70 : 15,793.16 = 4,287.47 : x
  2. Step 2: Convert to fraction form
    10,531.70/15,793.16 = 4,287.47/x
  3. Step 3: Cross multiply
    10,531.70x = 15,793.16 × 4,287.47
  4. Step 4: Simplify right side
    10,531.70x = 67,712,681.00
  5. Step 5: Solve for x
    x = 67,712,681.00/10,531.70
  6. Step 6: Final answer
    x = 6,429.42

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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.