Home / 13,971.76-20,944.62-9,591.28

Finding the Fourth Proportional to 13,971.76, 20,944.62 and 9,591.28

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Solution

The fourth proportional to 13,971.76, 20,944.62 and 9,591.28 is: 14,377.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.76 : 20,944.62 = 9,591.28 : x
  2. Step 2: Convert to fraction form
    13,971.76/20,944.62 = 9,591.28/x
  3. Step 3: Cross multiply
    13,971.76x = 20,944.62 × 9,591.28
  4. Step 4: Simplify right side
    13,971.76x = 200,885,714.91
  5. Step 5: Solve for x
    x = 200,885,714.91/13,971.76
  6. Step 6: Final answer
    x = 14,377.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.