Home / 11,822.08-17,729.28-5,581.12

Finding the Fourth Proportional to 11,822.08, 17,729.28 and 5,581.12

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Solution

The fourth proportional to 11,822.08, 17,729.28 and 5,581.12 is: 8,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.08 : 17,729.28 = 5,581.12 : x
  2. Step 2: Convert to fraction form
    11,822.08/17,729.28 = 5,581.12/x
  3. Step 3: Cross multiply
    11,822.08x = 17,729.28 × 5,581.12
  4. Step 4: Simplify right side
    11,822.08x = 98,949,239.19
  5. Step 5: Solve for x
    x = 98,949,239.19/11,822.08
  6. Step 6: Final answer
    x = 8,369.87

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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.