Home / 10,168.60-15,241.98-6,647.56

Finding the Fourth Proportional to 10,168.60, 15,241.98 and 6,647.56

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Solution

The fourth proportional to 10,168.60, 15,241.98 and 6,647.56 is: 9,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.60 : 15,241.98 = 6,647.56 : x
  2. Step 2: Convert to fraction form
    10,168.60/15,241.98 = 6,647.56/x
  3. Step 3: Cross multiply
    10,168.60x = 15,241.98 × 6,647.56
  4. Step 4: Simplify right side
    10,168.60x = 101,321,976.57
  5. Step 5: Solve for x
    x = 101,321,976.57/10,168.60
  6. Step 6: Final answer
    x = 9,964.20

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1.5x scale

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.