Home / 11,337.25-15,640.92-6,556.32

Finding the Fourth Proportional to 11,337.25, 15,640.92 and 6,556.32

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Solution

The fourth proportional to 11,337.25, 15,640.92 and 6,556.32 is: 9,045.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.25 : 15,640.92 = 6,556.32 : x
  2. Step 2: Convert to fraction form
    11,337.25/15,640.92 = 6,556.32/x
  3. Step 3: Cross multiply
    11,337.25x = 15,640.92 × 6,556.32
  4. Step 4: Simplify right side
    11,337.25x = 102,546,876.61
  5. Step 5: Solve for x
    x = 102,546,876.61/11,337.25
  6. Step 6: Final answer
    x = 9,045.13

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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.