Home / 13,500.08-20,255.88-6,572.72

Finding the Fourth Proportional to 13,500.08, 20,255.88 and 6,572.72

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Solution

The fourth proportional to 13,500.08, 20,255.88 and 6,572.72 is: 9,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.08 : 20,255.88 = 6,572.72 : x
  2. Step 2: Convert to fraction form
    13,500.08/20,255.88 = 6,572.72/x
  3. Step 3: Cross multiply
    13,500.08x = 20,255.88 × 6,572.72
  4. Step 4: Simplify right side
    13,500.08x = 133,136,227.59
  5. Step 5: Solve for x
    x = 133,136,227.59/13,500.08
  6. Step 6: Final answer
    x = 9,861.88

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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.