Home / 11,327.28-16,990.32-3,535.56

Finding the Fourth Proportional to 11,327.28, 16,990.32 and 3,535.56

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Solution

The fourth proportional to 11,327.28, 16,990.32 and 3,535.56 is: 5,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.28 : 16,990.32 = 3,535.56 : x
  2. Step 2: Convert to fraction form
    11,327.28/16,990.32 = 3,535.56/x
  3. Step 3: Cross multiply
    11,327.28x = 16,990.32 × 3,535.56
  4. Step 4: Simplify right side
    11,327.28x = 60,070,295.78
  5. Step 5: Solve for x
    x = 60,070,295.78/11,327.28
  6. Step 6: Final answer
    x = 5,303.15

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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.