Home / 16,320.20-22,520.17-9,605.42

Finding the Fourth Proportional to 16,320.20, 22,520.17 and 9,605.42

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Solution

The fourth proportional to 16,320.20, 22,520.17 and 9,605.42 is: 13,254.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,320.20 : 22,520.17 = 9,605.42 : x
  2. Step 2: Convert to fraction form
    16,320.20/22,520.17 = 9,605.42/x
  3. Step 3: Cross multiply
    16,320.20x = 22,520.17 × 9,605.42
  4. Step 4: Simplify right side
    16,320.20x = 216,315,554.71
  5. Step 5: Solve for x
    x = 216,315,554.71/16,320.20
  6. Step 6: Final answer
    x = 13,254.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.