Home / 9,452.40-14,178.60-7,119.60

Finding the Fourth Proportional to 9,452.40, 14,178.60 and 7,119.60

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Solution

The fourth proportional to 9,452.40, 14,178.60 and 7,119.60 is: 10,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,452.40 : 14,178.60 = 7,119.60 : x
  2. Step 2: Convert to fraction form
    9,452.40/14,178.60 = 7,119.60/x
  3. Step 3: Cross multiply
    9,452.40x = 14,178.60 × 7,119.60
  4. Step 4: Simplify right side
    9,452.40x = 100,945,960.56
  5. Step 5: Solve for x
    x = 100,945,960.56/9,452.40
  6. Step 6: Final answer
    x = 10,679.40

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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.