Home / 11,451.20-17,176.32-3,661.76

Finding the Fourth Proportional to 11,451.20, 17,176.32 and 3,661.76

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Solution

The fourth proportional to 11,451.20, 17,176.32 and 3,661.76 is: 5,492.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.20 : 17,176.32 = 3,661.76 : x
  2. Step 2: Convert to fraction form
    11,451.20/17,176.32 = 3,661.76/x
  3. Step 3: Cross multiply
    11,451.20x = 17,176.32 × 3,661.76
  4. Step 4: Simplify right side
    11,451.20x = 62,895,561.52
  5. Step 5: Solve for x
    x = 62,895,561.52/11,451.20
  6. Step 6: Final answer
    x = 5,492.49

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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.