Home / 14,296.80-21,445.20-4,439.10

Finding the Fourth Proportional to 14,296.80, 21,445.20 and 4,439.10

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Solution

The fourth proportional to 14,296.80, 21,445.20 and 4,439.10 is: 6,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296.80 : 21,445.20 = 4,439.10 : x
  2. Step 2: Convert to fraction form
    14,296.80/21,445.20 = 4,439.10/x
  3. Step 3: Cross multiply
    14,296.80x = 21,445.20 × 4,439.10
  4. Step 4: Simplify right side
    14,296.80x = 95,197,387.32
  5. Step 5: Solve for x
    x = 95,197,387.32/14,296.80
  6. Step 6: Final answer
    x = 6,658.65

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Double scale
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Similar ratio
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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.