Home / 10,169.60-15,243.48-6,648.56

Finding the Fourth Proportional to 10,169.60, 15,243.48 and 6,648.56

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Solution

The fourth proportional to 10,169.60, 15,243.48 and 6,648.56 is: 9,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.60 : 15,243.48 = 6,648.56 : x
  2. Step 2: Convert to fraction form
    10,169.60/15,243.48 = 6,648.56/x
  3. Step 3: Cross multiply
    10,169.60x = 15,243.48 × 6,648.56
  4. Step 4: Simplify right side
    10,169.60x = 101,347,191.39
  5. Step 5: Solve for x
    x = 101,347,191.39/10,169.60
  6. Step 6: Final answer
    x = 9,965.70

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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.