Home / 9,550.20-14,325.30-6,439.80

Finding the Fourth Proportional to 9,550.20, 14,325.30 and 6,439.80

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Solution

The fourth proportional to 9,550.20, 14,325.30 and 6,439.80 is: 9,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,550.20 : 14,325.30 = 6,439.80 : x
  2. Step 2: Convert to fraction form
    9,550.20/14,325.30 = 6,439.80/x
  3. Step 3: Cross multiply
    9,550.20x = 14,325.30 × 6,439.80
  4. Step 4: Simplify right side
    9,550.20x = 92,252,066.94
  5. Step 5: Solve for x
    x = 92,252,066.94/9,550.20
  6. Step 6: Final answer
    x = 9,659.70

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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.