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Finding the Fourth Proportional to 15,793.65, 23,690.48 and 8,394.30

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Solution

The fourth proportional to 15,793.65, 23,690.48 and 8,394.30 is: 12,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793.65 : 23,690.48 = 8,394.30 : x
  2. Step 2: Convert to fraction form
    15,793.65/23,690.48 = 8,394.30/x
  3. Step 3: Cross multiply
    15,793.65x = 23,690.48 × 8,394.30
  4. Step 4: Simplify right side
    15,793.65x = 198,864,954.29
  5. Step 5: Solve for x
    x = 198,864,954.29/15,793.65
  6. Step 6: Final answer
    x = 12,591.45

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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.