Home / 16,397.20-22,630.44-9,324.28

Finding the Fourth Proportional to 16,397.20, 22,630.44 and 9,324.28

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Solution

The fourth proportional to 16,397.20, 22,630.44 and 9,324.28 is: 12,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,397.20 : 22,630.44 = 9,324.28 : x
  2. Step 2: Convert to fraction form
    16,397.20/22,630.44 = 9,324.28/x
  3. Step 3: Cross multiply
    16,397.20x = 22,630.44 × 9,324.28
  4. Step 4: Simplify right side
    16,397.20x = 211,012,559.08
  5. Step 5: Solve for x
    x = 211,012,559.08/16,397.20
  6. Step 6: Final answer
    x = 12,868.82

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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.