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Finding the Fourth Proportional to 22,775.60, 34,160.52 and 7,194.80

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Solution

The fourth proportional to 22,775.60, 34,160.52 and 7,194.80 is: 10,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,775.60 : 34,160.52 = 7,194.80 : x
  2. Step 2: Convert to fraction form
    22,775.60/34,160.52 = 7,194.80/x
  3. Step 3: Cross multiply
    22,775.60x = 34,160.52 × 7,194.80
  4. Step 4: Simplify right side
    22,775.60x = 245,778,109.30
  5. Step 5: Solve for x
    x = 245,778,109.30/22,775.60
  6. Step 6: Final answer
    x = 10,791.29

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1.5x scale

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.