Home / 10,921.60-16,340.84-6,751.25

Finding the Fourth Proportional to 10,921.60, 16,340.84 and 6,751.25

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Solution

The fourth proportional to 10,921.60, 16,340.84 and 6,751.25 is: 10,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921.60 : 16,340.84 = 6,751.25 : x
  2. Step 2: Convert to fraction form
    10,921.60/16,340.84 = 6,751.25/x
  3. Step 3: Cross multiply
    10,921.60x = 16,340.84 × 6,751.25
  4. Step 4: Simplify right side
    10,921.60x = 110,321,067.18
  5. Step 5: Solve for x
    x = 110,321,067.18/10,921.60
  6. Step 6: Final answer
    x = 10,101.18

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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.