Home / 14,532.76-21,778.30-8,279.83

Finding the Fourth Proportional to 14,532.76, 21,778.30 and 8,279.83

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Solution

The fourth proportional to 14,532.76, 21,778.30 and 8,279.83 is: 12,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,532.76 : 21,778.30 = 8,279.83 : x
  2. Step 2: Convert to fraction form
    14,532.76/21,778.30 = 8,279.83/x
  3. Step 3: Cross multiply
    14,532.76x = 21,778.30 × 8,279.83
  4. Step 4: Simplify right side
    14,532.76x = 180,320,621.69
  5. Step 5: Solve for x
    x = 180,320,621.69/14,532.76
  6. Step 6: Final answer
    x = 12,407.87

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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.