Home / 9,948.65-13,729.47-5,472.59

Finding the Fourth Proportional to 9,948.65, 13,729.47 and 5,472.59

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Solution

The fourth proportional to 9,948.65, 13,729.47 and 5,472.59 is: 7,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,948.65 : 13,729.47 = 5,472.59 : x
  2. Step 2: Convert to fraction form
    9,948.65/13,729.47 = 5,472.59/x
  3. Step 3: Cross multiply
    9,948.65x = 13,729.47 × 5,472.59
  4. Step 4: Simplify right side
    9,948.65x = 75,135,755.85
  5. Step 5: Solve for x
    x = 75,135,755.85/9,948.65
  6. Step 6: Final answer
    x = 7,552.36

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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.