Home / 10,352.50-15,531.18-3,427

Finding the Fourth Proportional to 10,352.50, 15,531.18 and 3,427

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Solution

The fourth proportional to 10,352.50, 15,531.18 and 3,427 is: 5,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.50 : 15,531.18 = 3,427 : x
  2. Step 2: Convert to fraction form
    10,352.50/15,531.18 = 3,427/x
  3. Step 3: Cross multiply
    10,352.50x = 15,531.18 × 3,427
  4. Step 4: Simplify right side
    10,352.50x = 53,225,353.86
  5. Step 5: Solve for x
    x = 53,225,353.86/10,352.50
  6. Step 6: Final answer
    x = 5,141.30

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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.