Home / 10,540.62-14,545.88-5,760.44

Finding the Fourth Proportional to 10,540.62, 14,545.88 and 5,760.44

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Solution

The fourth proportional to 10,540.62, 14,545.88 and 5,760.44 is: 7,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.62 : 14,545.88 = 5,760.44 : x
  2. Step 2: Convert to fraction form
    10,540.62/14,545.88 = 5,760.44/x
  3. Step 3: Cross multiply
    10,540.62x = 14,545.88 × 5,760.44
  4. Step 4: Simplify right side
    10,540.62x = 83,790,668.99
  5. Step 5: Solve for x
    x = 83,790,668.99/10,540.62
  6. Step 6: Final answer
    x = 7,949.31

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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.