Home / 14,568.38-20,104.38-8,280.75

Finding the Fourth Proportional to 14,568.38, 20,104.38 and 8,280.75

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Solution

The fourth proportional to 14,568.38, 20,104.38 and 8,280.75 is: 11,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.38 : 20,104.38 = 8,280.75 : x
  2. Step 2: Convert to fraction form
    14,568.38/20,104.38 = 8,280.75/x
  3. Step 3: Cross multiply
    14,568.38x = 20,104.38 × 8,280.75
  4. Step 4: Simplify right side
    14,568.38x = 166,479,344.69
  5. Step 5: Solve for x
    x = 166,479,344.69/14,568.38
  6. Step 6: Final answer
    x = 11,427.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.