Home / 14,658.44-20,229.72-8,370.68

Finding the Fourth Proportional to 14,658.44, 20,229.72 and 8,370.68

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Solution

The fourth proportional to 14,658.44, 20,229.72 and 8,370.68 is: 11,552.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.44 : 20,229.72 = 8,370.68 : x
  2. Step 2: Convert to fraction form
    14,658.44/20,229.72 = 8,370.68/x
  3. Step 3: Cross multiply
    14,658.44x = 20,229.72 × 8,370.68
  4. Step 4: Simplify right side
    14,658.44x = 169,336,512.61
  5. Step 5: Solve for x
    x = 169,336,512.61/14,658.44
  6. Step 6: Final answer
    x = 11,552.15

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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.