Home / 13,520.24-20,280.36-6,123.32

Finding the Fourth Proportional to 13,520.24, 20,280.36 and 6,123.32

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Solution

The fourth proportional to 13,520.24, 20,280.36 and 6,123.32 is: 9,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520.24 : 20,280.36 = 6,123.32 : x
  2. Step 2: Convert to fraction form
    13,520.24/20,280.36 = 6,123.32/x
  3. Step 3: Cross multiply
    13,520.24x = 20,280.36 × 6,123.32
  4. Step 4: Simplify right side
    13,520.24x = 124,183,134.00
  5. Step 5: Solve for x
    x = 124,183,134.00/13,520.24
  6. Step 6: Final answer
    x = 9,184.98

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Similar ratio
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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.