Home / 14,952.20-22,385.10-9,120.20

Finding the Fourth Proportional to 14,952.20, 22,385.10 and 9,120.20

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Solution

The fourth proportional to 14,952.20, 22,385.10 and 9,120.20 is: 13,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,952.20 : 22,385.10 = 9,120.20 : x
  2. Step 2: Convert to fraction form
    14,952.20/22,385.10 = 9,120.20/x
  3. Step 3: Cross multiply
    14,952.20x = 22,385.10 × 9,120.20
  4. Step 4: Simplify right side
    14,952.20x = 204,156,589.02
  5. Step 5: Solve for x
    x = 204,156,589.02/14,952.20
  6. Step 6: Final answer
    x = 13,653.95

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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.