Home / 10,917.16-16,377.72-6,242.44

Finding the Fourth Proportional to 10,917.16, 16,377.72 and 6,242.44

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Solution

The fourth proportional to 10,917.16, 16,377.72 and 6,242.44 is: 9,364.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.16 : 16,377.72 = 6,242.44 : x
  2. Step 2: Convert to fraction form
    10,917.16/16,377.72 = 6,242.44/x
  3. Step 3: Cross multiply
    10,917.16x = 16,377.72 × 6,242.44
  4. Step 4: Simplify right side
    10,917.16x = 102,236,934.44
  5. Step 5: Solve for x
    x = 102,236,934.44/10,917.16
  6. Step 6: Final answer
    x = 9,364.79

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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.