Home / 11,209.67-15,452.75-7,175.92

Finding the Fourth Proportional to 11,209.67, 15,452.75 and 7,175.92

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Solution

The fourth proportional to 11,209.67, 15,452.75 and 7,175.92 is: 9,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.67 : 15,452.75 = 7,175.92 : x
  2. Step 2: Convert to fraction form
    11,209.67/15,452.75 = 7,175.92/x
  3. Step 3: Cross multiply
    11,209.67x = 15,452.75 × 7,175.92
  4. Step 4: Simplify right side
    11,209.67x = 110,887,642.42
  5. Step 5: Solve for x
    x = 110,887,642.42/11,209.67
  6. Step 6: Final answer
    x = 9,892.15

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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.