Home / 13,572.57-20,372.01-6,557.52

Finding the Fourth Proportional to 13,572.57, 20,372.01 and 6,557.52

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Solution

The fourth proportional to 13,572.57, 20,372.01 and 6,557.52 is: 9,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.57 : 20,372.01 = 6,557.52 : x
  2. Step 2: Convert to fraction form
    13,572.57/20,372.01 = 6,557.52/x
  3. Step 3: Cross multiply
    13,572.57x = 20,372.01 × 6,557.52
  4. Step 4: Simplify right side
    13,572.57x = 133,589,863.02
  5. Step 5: Solve for x
    x = 133,589,863.02/13,572.57
  6. Step 6: Final answer
    x = 9,842.64

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1.5x scale

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.