Home / 11,236.62-15,500.42-6,988.37

Finding the Fourth Proportional to 11,236.62, 15,500.42 and 6,988.37

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Solution

The fourth proportional to 11,236.62, 15,500.42 and 6,988.37 is: 9,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.62 : 15,500.42 = 6,988.37 : x
  2. Step 2: Convert to fraction form
    11,236.62/15,500.42 = 6,988.37/x
  3. Step 3: Cross multiply
    11,236.62x = 15,500.42 × 6,988.37
  4. Step 4: Simplify right side
    11,236.62x = 108,322,726.34
  5. Step 5: Solve for x
    x = 108,322,726.34/11,236.62
  6. Step 6: Final answer
    x = 9,640.15

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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.