Home / 10,115.01-15,172.52-4,565.30

Finding the Fourth Proportional to 10,115.01, 15,172.52 and 4,565.30

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Solution

The fourth proportional to 10,115.01, 15,172.52 and 4,565.30 is: 6,847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.01 : 15,172.52 = 4,565.30 : x
  2. Step 2: Convert to fraction form
    10,115.01/15,172.52 = 4,565.30/x
  3. Step 3: Cross multiply
    10,115.01x = 15,172.52 × 4,565.30
  4. Step 4: Simplify right side
    10,115.01x = 69,267,006.87
  5. Step 5: Solve for x
    x = 69,267,006.87/10,115.01
  6. Step 6: Final answer
    x = 6,847.94

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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.