Home / 10,443.57-15,657.13-5,174.96

Finding the Fourth Proportional to 10,443.57, 15,657.13 and 5,174.96

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Solution

The fourth proportional to 10,443.57, 15,657.13 and 5,174.96 is: 7,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.57 : 15,657.13 = 5,174.96 : x
  2. Step 2: Convert to fraction form
    10,443.57/15,657.13 = 5,174.96/x
  3. Step 3: Cross multiply
    10,443.57x = 15,657.13 × 5,174.96
  4. Step 4: Simplify right side
    10,443.57x = 81,024,949.65
  5. Step 5: Solve for x
    x = 81,024,949.65/10,443.57
  6. Step 6: Final answer
    x = 7,758.36

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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.