Home / 11,180.40-16,769.52-2,972.40

Finding the Fourth Proportional to 11,180.40, 16,769.52 and 2,972.40

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Solution

The fourth proportional to 11,180.40, 16,769.52 and 2,972.40 is: 4,458.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.40 : 16,769.52 = 2,972.40 : x
  2. Step 2: Convert to fraction form
    11,180.40/16,769.52 = 2,972.40/x
  3. Step 3: Cross multiply
    11,180.40x = 16,769.52 × 2,972.40
  4. Step 4: Simplify right side
    11,180.40x = 49,845,721.25
  5. Step 5: Solve for x
    x = 49,845,721.25/11,180.40
  6. Step 6: Final answer
    x = 4,458.31

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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.