Home / 15,909.02-23,863.56-5,520.80

Finding the Fourth Proportional to 15,909.02, 23,863.56 and 5,520.80

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Solution

The fourth proportional to 15,909.02, 23,863.56 and 5,520.80 is: 8,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,909.02 : 23,863.56 = 5,520.80 : x
  2. Step 2: Convert to fraction form
    15,909.02/23,863.56 = 5,520.80/x
  3. Step 3: Cross multiply
    15,909.02x = 23,863.56 × 5,520.80
  4. Step 4: Simplify right side
    15,909.02x = 131,745,942.05
  5. Step 5: Solve for x
    x = 131,745,942.05/15,909.02
  6. Step 6: Final answer
    x = 8,281.21

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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.