Home / 10,448.91-15,675.66-5,517.39

Finding the Fourth Proportional to 10,448.91, 15,675.66 and 5,517.39

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Solution

The fourth proportional to 10,448.91, 15,675.66 and 5,517.39 is: 8,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.91 : 15,675.66 = 5,517.39 : x
  2. Step 2: Convert to fraction form
    10,448.91/15,675.66 = 5,517.39/x
  3. Step 3: Cross multiply
    10,448.91x = 15,675.66 × 5,517.39
  4. Step 4: Simplify right side
    10,448.91x = 86,488,767.70
  5. Step 5: Solve for x
    x = 86,488,767.70/10,448.91
  6. Step 6: Final answer
    x = 8,277.30

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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.