Home / 11,339.18-17,001.45-5,412.86

Finding the Fourth Proportional to 11,339.18, 17,001.45 and 5,412.86

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Solution

The fourth proportional to 11,339.18, 17,001.45 and 5,412.86 is: 8,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.18 : 17,001.45 = 5,412.86 : x
  2. Step 2: Convert to fraction form
    11,339.18/17,001.45 = 5,412.86/x
  3. Step 3: Cross multiply
    11,339.18x = 17,001.45 × 5,412.86
  4. Step 4: Simplify right side
    11,339.18x = 92,026,383.64
  5. Step 5: Solve for x
    x = 92,026,383.64/11,339.18
  6. Step 6: Final answer
    x = 8,115.79

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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.