Home / 11,147.81-16,717.05-3,750.48

Finding the Fourth Proportional to 11,147.81, 16,717.05 and 3,750.48

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Solution

The fourth proportional to 11,147.81, 16,717.05 and 3,750.48 is: 5,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.81 : 16,717.05 = 3,750.48 : x
  2. Step 2: Convert to fraction form
    11,147.81/16,717.05 = 3,750.48/x
  3. Step 3: Cross multiply
    11,147.81x = 16,717.05 × 3,750.48
  4. Step 4: Simplify right side
    11,147.81x = 62,696,961.68
  5. Step 5: Solve for x
    x = 62,696,961.68/11,147.81
  6. Step 6: Final answer
    x = 5,624.15

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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.