Home / 14,720.20-22,080.30-4,331.80

Finding the Fourth Proportional to 14,720.20, 22,080.30 and 4,331.80

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Solution

The fourth proportional to 14,720.20, 22,080.30 and 4,331.80 is: 6,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.20 : 22,080.30 = 4,331.80 : x
  2. Step 2: Convert to fraction form
    14,720.20/22,080.30 = 4,331.80/x
  3. Step 3: Cross multiply
    14,720.20x = 22,080.30 × 4,331.80
  4. Step 4: Simplify right side
    14,720.20x = 95,647,443.54
  5. Step 5: Solve for x
    x = 95,647,443.54/14,720.20
  6. Step 6: Final answer
    x = 6,497.70

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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.