Home / 19,219.38-28,825.80-5,365.14

Finding the Fourth Proportional to 19,219.38, 28,825.80 and 5,365.14

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Solution

The fourth proportional to 19,219.38, 28,825.80 and 5,365.14 is: 8,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.38 : 28,825.80 = 5,365.14 : x
  2. Step 2: Convert to fraction form
    19,219.38/28,825.80 = 5,365.14/x
  3. Step 3: Cross multiply
    19,219.38x = 28,825.80 × 5,365.14
  4. Step 4: Simplify right side
    19,219.38x = 154,654,452.61
  5. Step 5: Solve for x
    x = 154,654,452.61/19,219.38
  6. Step 6: Final answer
    x = 8,046.80

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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.