Home / 11,501.66-17,247.89-4,480.71

Finding the Fourth Proportional to 11,501.66, 17,247.89 and 4,480.71

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Solution

The fourth proportional to 11,501.66, 17,247.89 and 4,480.71 is: 6,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,501.66 : 17,247.89 = 4,480.71 : x
  2. Step 2: Convert to fraction form
    11,501.66/17,247.89 = 4,480.71/x
  3. Step 3: Cross multiply
    11,501.66x = 17,247.89 × 4,480.71
  4. Step 4: Simplify right side
    11,501.66x = 77,282,793.20
  5. Step 5: Solve for x
    x = 77,282,793.20/11,501.66
  6. Step 6: Final answer
    x = 6,719.27

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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.