Home / 11,947.04-17,920.24-3,182.02

Finding the Fourth Proportional to 11,947.04, 17,920.24 and 3,182.02

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Solution

The fourth proportional to 11,947.04, 17,920.24 and 3,182.02 is: 4,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.04 : 17,920.24 = 3,182.02 : x
  2. Step 2: Convert to fraction form
    11,947.04/17,920.24 = 3,182.02/x
  3. Step 3: Cross multiply
    11,947.04x = 17,920.24 × 3,182.02
  4. Step 4: Simplify right side
    11,947.04x = 57,022,562.08
  5. Step 5: Solve for x
    x = 57,022,562.08/11,947.04
  6. Step 6: Final answer
    x = 4,772.94

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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.