Home / 13,572.57-20,372.00-6,557.52

Finding the Fourth Proportional to 13,572.57, 20,372.00 and 6,557.52

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Solution

The fourth proportional to 13,572.57, 20,372.00 and 6,557.52 is: 9,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.57 : 20,372.00 = 6,557.52 : x
  2. Step 2: Convert to fraction form
    13,572.57/20,372.00 = 6,557.52/x
  3. Step 3: Cross multiply
    13,572.57x = 20,372.00 × 6,557.52
  4. Step 4: Simplify right side
    13,572.57x = 133,589,764.65
  5. Step 5: Solve for x
    x = 133,589,764.65/13,572.57
  6. Step 6: Final answer
    x = 9,842.63

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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.