Home / 17,142.40-25,715.49-5,452.89

Finding the Fourth Proportional to 17,142.40, 25,715.49 and 5,452.89

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Solution

The fourth proportional to 17,142.40, 25,715.49 and 5,452.89 is: 8,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142.40 : 25,715.49 = 5,452.89 : x
  2. Step 2: Convert to fraction form
    17,142.40/25,715.49 = 5,452.89/x
  3. Step 3: Cross multiply
    17,142.40x = 25,715.49 × 5,452.89
  4. Step 4: Simplify right side
    17,142.40x = 140,223,738.27
  5. Step 5: Solve for x
    x = 140,223,738.27/17,142.40
  6. Step 6: Final answer
    x = 8,179.94

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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.