Home / 10,318.38-15,468.39-4,471.80

Finding the Fourth Proportional to 10,318.38, 15,468.39 and 4,471.80

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Solution

The fourth proportional to 10,318.38, 15,468.39 and 4,471.80 is: 6,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.38 : 15,468.39 = 4,471.80 : x
  2. Step 2: Convert to fraction form
    10,318.38/15,468.39 = 4,471.80/x
  3. Step 3: Cross multiply
    10,318.38x = 15,468.39 × 4,471.80
  4. Step 4: Simplify right side
    10,318.38x = 69,171,546.40
  5. Step 5: Solve for x
    x = 69,171,546.40/10,318.38
  6. Step 6: Final answer
    x = 6,703.72

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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.