Home / 11,679.03-17,508.69-5,435.87

Finding the Fourth Proportional to 11,679.03, 17,508.69 and 5,435.87

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Solution

The fourth proportional to 11,679.03, 17,508.69 and 5,435.87 is: 8,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.03 : 17,508.69 = 5,435.87 : x
  2. Step 2: Convert to fraction form
    11,679.03/17,508.69 = 5,435.87/x
  3. Step 3: Cross multiply
    11,679.03x = 17,508.69 × 5,435.87
  4. Step 4: Simplify right side
    11,679.03x = 95,174,875.17
  5. Step 5: Solve for x
    x = 95,174,875.17/11,679.03
  6. Step 6: Final answer
    x = 8,149.21

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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.