Home / 11,165.03-15,402.44-6,687.96

Finding the Fourth Proportional to 11,165.03, 15,402.44 and 6,687.96

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Solution

The fourth proportional to 11,165.03, 15,402.44 and 6,687.96 is: 9,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.03 : 15,402.44 = 6,687.96 : x
  2. Step 2: Convert to fraction form
    11,165.03/15,402.44 = 6,687.96/x
  3. Step 3: Cross multiply
    11,165.03x = 15,402.44 × 6,687.96
  4. Step 4: Simplify right side
    11,165.03x = 103,010,869.18
  5. Step 5: Solve for x
    x = 103,010,869.18/11,165.03
  6. Step 6: Final answer
    x = 9,226.21

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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.