Home / 10,961.10-15,122.62-6,242.04

Finding the Fourth Proportional to 10,961.10, 15,122.62 and 6,242.04

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Solution

The fourth proportional to 10,961.10, 15,122.62 and 6,242.04 is: 8,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.10 : 15,122.62 = 6,242.04 : x
  2. Step 2: Convert to fraction form
    10,961.10/15,122.62 = 6,242.04/x
  3. Step 3: Cross multiply
    10,961.10x = 15,122.62 × 6,242.04
  4. Step 4: Simplify right side
    10,961.10x = 94,395,998.94
  5. Step 5: Solve for x
    x = 94,395,998.94/10,961.10
  6. Step 6: Final answer
    x = 8,611.91

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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.