Home / 13,616.20-20,372.46-9,008.20

Finding the Fourth Proportional to 13,616.20, 20,372.46 and 9,008.20

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Solution

The fourth proportional to 13,616.20, 20,372.46 and 9,008.20 is: 13,478.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616.20 : 20,372.46 = 9,008.20 : x
  2. Step 2: Convert to fraction form
    13,616.20/20,372.46 = 9,008.20/x
  3. Step 3: Cross multiply
    13,616.20x = 20,372.46 × 9,008.20
  4. Step 4: Simplify right side
    13,616.20x = 183,519,194.17
  5. Step 5: Solve for x
    x = 183,519,194.17/13,616.20
  6. Step 6: Final answer
    x = 13,478.00

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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.