Home / 19,962.76-29,947.56-8,269.60

Finding the Fourth Proportional to 19,962.76, 29,947.56 and 8,269.60

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Solution

The fourth proportional to 19,962.76, 29,947.56 and 8,269.60 is: 12,405.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.76 : 29,947.56 = 8,269.60 : x
  2. Step 2: Convert to fraction form
    19,962.76/29,947.56 = 8,269.60/x
  3. Step 3: Cross multiply
    19,962.76x = 29,947.56 × 8,269.60
  4. Step 4: Simplify right side
    19,962.76x = 247,654,342.18
  5. Step 5: Solve for x
    x = 247,654,342.18/19,962.76
  6. Step 6: Final answer
    x = 12,405.82

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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.