Home / 14,918.76-22,377.78-6,147.60

Finding the Fourth Proportional to 14,918.76, 22,377.78 and 6,147.60

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Solution

The fourth proportional to 14,918.76, 22,377.78 and 6,147.60 is: 9,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.76 : 22,377.78 = 6,147.60 : x
  2. Step 2: Convert to fraction form
    14,918.76/22,377.78 = 6,147.60/x
  3. Step 3: Cross multiply
    14,918.76x = 22,377.78 × 6,147.60
  4. Step 4: Simplify right side
    14,918.76x = 137,569,640.33
  5. Step 5: Solve for x
    x = 137,569,640.33/14,918.76
  6. Step 6: Final answer
    x = 9,221.25

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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.