Home / 15,138.03-22,715.42-6,372.75

Finding the Fourth Proportional to 15,138.03, 22,715.42 and 6,372.75

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Solution

The fourth proportional to 15,138.03, 22,715.42 and 6,372.75 is: 9,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.03 : 22,715.42 = 6,372.75 : x
  2. Step 2: Convert to fraction form
    15,138.03/22,715.42 = 6,372.75/x
  3. Step 3: Cross multiply
    15,138.03x = 22,715.42 × 6,372.75
  4. Step 4: Simplify right side
    15,138.03x = 144,759,660.94
  5. Step 5: Solve for x
    x = 144,759,660.94/15,138.03
  6. Step 6: Final answer
    x = 9,562.65

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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.