Home / 15,542.21-23,320.19-8,144.90

Finding the Fourth Proportional to 15,542.21, 23,320.19 and 8,144.90

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Solution

The fourth proportional to 15,542.21, 23,320.19 and 8,144.90 is: 12,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.21 : 23,320.19 = 8,144.90 : x
  2. Step 2: Convert to fraction form
    15,542.21/23,320.19 = 8,144.90/x
  3. Step 3: Cross multiply
    15,542.21x = 23,320.19 × 8,144.90
  4. Step 4: Simplify right side
    15,542.21x = 189,940,458.21
  5. Step 5: Solve for x
    x = 189,940,458.21/15,542.21
  6. Step 6: Final answer
    x = 12,220.95

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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.