Home / 11,575.10-17,372.42-8,949.68

Finding the Fourth Proportional to 11,575.10, 17,372.42 and 8,949.68

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Solution

The fourth proportional to 11,575.10, 17,372.42 and 8,949.68 is: 13,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.10 : 17,372.42 = 8,949.68 : x
  2. Step 2: Convert to fraction form
    11,575.10/17,372.42 = 8,949.68/x
  3. Step 3: Cross multiply
    11,575.10x = 17,372.42 × 8,949.68
  4. Step 4: Simplify right side
    11,575.10x = 155,477,468.22
  5. Step 5: Solve for x
    x = 155,477,468.22/11,575.10
  6. Step 6: Final answer
    x = 13,432.07

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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.