Home / 16,223.79-22,390.15-9,151.68

Finding the Fourth Proportional to 16,223.79, 22,390.15 and 9,151.68

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Solution

The fourth proportional to 16,223.79, 22,390.15 and 9,151.68 is: 12,630.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,223.79 : 22,390.15 = 9,151.68 : x
  2. Step 2: Convert to fraction form
    16,223.79/22,390.15 = 9,151.68/x
  3. Step 3: Cross multiply
    16,223.79x = 22,390.15 × 9,151.68
  4. Step 4: Simplify right side
    16,223.79x = 204,907,487.95
  5. Step 5: Solve for x
    x = 204,907,487.95/16,223.79
  6. Step 6: Final answer
    x = 12,630.06

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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.