Home / 10,162.72-15,244.40-3,242.40

Finding the Fourth Proportional to 10,162.72, 15,244.40 and 3,242.40

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Solution

The fourth proportional to 10,162.72, 15,244.40 and 3,242.40 is: 4,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.72 : 15,244.40 = 3,242.40 : x
  2. Step 2: Convert to fraction form
    10,162.72/15,244.40 = 3,242.40/x
  3. Step 3: Cross multiply
    10,162.72x = 15,244.40 × 3,242.40
  4. Step 4: Simplify right side
    10,162.72x = 49,428,442.56
  5. Step 5: Solve for x
    x = 49,428,442.56/10,162.72
  6. Step 6: Final answer
    x = 4,863.70

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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.