Home / 10,917.62-15,066.24-6,201.90

Finding the Fourth Proportional to 10,917.62, 15,066.24 and 6,201.90

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Solution

The fourth proportional to 10,917.62, 15,066.24 and 6,201.90 is: 8,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.62 : 15,066.24 = 6,201.90 : x
  2. Step 2: Convert to fraction form
    10,917.62/15,066.24 = 6,201.90/x
  3. Step 3: Cross multiply
    10,917.62x = 15,066.24 × 6,201.90
  4. Step 4: Simplify right side
    10,917.62x = 93,439,290.60
  5. Step 5: Solve for x
    x = 93,439,290.60/10,917.62
  6. Step 6: Final answer
    x = 8,558.58

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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.