Home / 11,279.96-15,538.52-9,595.97

Finding the Fourth Proportional to 11,279.96, 15,538.52 and 9,595.97

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Solution

The fourth proportional to 11,279.96, 15,538.52 and 9,595.97 is: 13,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.96 : 15,538.52 = 9,595.97 : x
  2. Step 2: Convert to fraction form
    11,279.96/15,538.52 = 9,595.97/x
  3. Step 3: Cross multiply
    11,279.96x = 15,538.52 × 9,595.97
  4. Step 4: Simplify right side
    11,279.96x = 149,107,171.76
  5. Step 5: Solve for x
    x = 149,107,171.76/11,279.96
  6. Step 6: Final answer
    x = 13,218.77

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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.