Home / 10,961.17-16,444.19-3,169.39

Finding the Fourth Proportional to 10,961.17, 16,444.19 and 3,169.39

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Solution

The fourth proportional to 10,961.17, 16,444.19 and 3,169.39 is: 4,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.17 : 16,444.19 = 3,169.39 : x
  2. Step 2: Convert to fraction form
    10,961.17/16,444.19 = 3,169.39/x
  3. Step 3: Cross multiply
    10,961.17x = 16,444.19 × 3,169.39
  4. Step 4: Simplify right side
    10,961.17x = 52,118,051.34
  5. Step 5: Solve for x
    x = 52,118,051.34/10,961.17
  6. Step 6: Final answer
    x = 4,754.79

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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.