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Finding the Fourth Proportional to 15,246.80, 22,870.20 and 5,397.20

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Solution

The fourth proportional to 15,246.80, 22,870.20 and 5,397.20 is: 8,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246.80 : 22,870.20 = 5,397.20 : x
  2. Step 2: Convert to fraction form
    15,246.80/22,870.20 = 5,397.20/x
  3. Step 3: Cross multiply
    15,246.80x = 22,870.20 × 5,397.20
  4. Step 4: Simplify right side
    15,246.80x = 123,435,043.44
  5. Step 5: Solve for x
    x = 123,435,043.44/15,246.80
  6. Step 6: Final answer
    x = 8,095.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.