Home / 11,948.47-17,922.80-4,151.81

Finding the Fourth Proportional to 11,948.47, 17,922.80 and 4,151.81

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Solution

The fourth proportional to 11,948.47, 17,922.80 and 4,151.81 is: 6,227.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.47 : 17,922.80 = 4,151.81 : x
  2. Step 2: Convert to fraction form
    11,948.47/17,922.80 = 4,151.81/x
  3. Step 3: Cross multiply
    11,948.47x = 17,922.80 × 4,151.81
  4. Step 4: Simplify right side
    11,948.47x = 74,412,115.45
  5. Step 5: Solve for x
    x = 74,412,115.45/11,948.47
  6. Step 6: Final answer
    x = 6,227.75

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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.