Home / 19,541.28-29,304.66-8,449.56

Finding the Fourth Proportional to 19,541.28, 29,304.66 and 8,449.56

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Solution

The fourth proportional to 19,541.28, 29,304.66 and 8,449.56 is: 12,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541.28 : 29,304.66 = 8,449.56 : x
  2. Step 2: Convert to fraction form
    19,541.28/29,304.66 = 8,449.56/x
  3. Step 3: Cross multiply
    19,541.28x = 29,304.66 × 8,449.56
  4. Step 4: Simplify right side
    19,541.28x = 247,611,482.95
  5. Step 5: Solve for x
    x = 247,611,482.95/19,541.28
  6. Step 6: Final answer
    x = 12,671.20

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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.