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Finding the Fourth Proportional to 15,122.41, 22,680.15 and 5,763.49

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Solution

The fourth proportional to 15,122.41, 22,680.15 and 5,763.49 is: 8,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.41 : 22,680.15 = 5,763.49 : x
  2. Step 2: Convert to fraction form
    15,122.41/22,680.15 = 5,763.49/x
  3. Step 3: Cross multiply
    15,122.41x = 22,680.15 × 5,763.49
  4. Step 4: Simplify right side
    15,122.41x = 130,716,817.72
  5. Step 5: Solve for x
    x = 130,716,817.72/15,122.41
  6. Step 6: Final answer
    x = 8,643.91

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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.