Home / 11,151.57-16,727.21-3,360.39

Finding the Fourth Proportional to 11,151.57, 16,727.21 and 3,360.39

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Solution

The fourth proportional to 11,151.57, 16,727.21 and 3,360.39 is: 5,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.57 : 16,727.21 = 3,360.39 : x
  2. Step 2: Convert to fraction form
    11,151.57/16,727.21 = 3,360.39/x
  3. Step 3: Cross multiply
    11,151.57x = 16,727.21 × 3,360.39
  4. Step 4: Simplify right side
    11,151.57x = 56,209,882.28
  5. Step 5: Solve for x
    x = 56,209,882.28/11,151.57
  6. Step 6: Final answer
    x = 5,040.53

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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.