Home / 9,451.87-14,177.80-9,438.20

Finding the Fourth Proportional to 9,451.87, 14,177.80 and 9,438.20

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Solution

The fourth proportional to 9,451.87, 14,177.80 and 9,438.20 is: 14,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451.87 : 14,177.80 = 9,438.20 : x
  2. Step 2: Convert to fraction form
    9,451.87/14,177.80 = 9,438.20/x
  3. Step 3: Cross multiply
    9,451.87x = 14,177.80 × 9,438.20
  4. Step 4: Simplify right side
    9,451.87x = 133,812,793.88
  5. Step 5: Solve for x
    x = 133,812,793.88/9,451.87
  6. Step 6: Final answer
    x = 14,157.29

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Half scale
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Double scale
Find fourth proportional to 9,452.87, 14,179.29 and 9,439.20
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.