Home / 11,268.91-15,552.45-6,553.19

Finding the Fourth Proportional to 11,268.91, 15,552.45 and 6,553.19

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Solution

The fourth proportional to 11,268.91, 15,552.45 and 6,553.19 is: 9,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.91 : 15,552.45 = 6,553.19 : x
  2. Step 2: Convert to fraction form
    11,268.91/15,552.45 = 6,553.19/x
  3. Step 3: Cross multiply
    11,268.91x = 15,552.45 × 6,553.19
  4. Step 4: Simplify right side
    11,268.91x = 101,918,198.70
  5. Step 5: Solve for x
    x = 101,918,198.70/11,268.91
  6. Step 6: Final answer
    x = 9,044.20

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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.