Home / 11,948.28-17,922.39-3,740.28

Finding the Fourth Proportional to 11,948.28, 17,922.39 and 3,740.28

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Solution

The fourth proportional to 11,948.28, 17,922.39 and 3,740.28 is: 5,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.28 : 17,922.39 = 3,740.28 : x
  2. Step 2: Convert to fraction form
    11,948.28/17,922.39 = 3,740.28/x
  3. Step 3: Cross multiply
    11,948.28x = 17,922.39 × 3,740.28
  4. Step 4: Simplify right side
    11,948.28x = 67,034,756.87
  5. Step 5: Solve for x
    x = 67,034,756.87/11,948.28
  6. Step 6: Final answer
    x = 5,610.41

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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.