Home / 12,787.56-19,173.66-5,000.04

Finding the Fourth Proportional to 12,787.56, 19,173.66 and 5,000.04

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Solution

The fourth proportional to 12,787.56, 19,173.66 and 5,000.04 is: 7,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787.56 : 19,173.66 = 5,000.04 : x
  2. Step 2: Convert to fraction form
    12,787.56/19,173.66 = 5,000.04/x
  3. Step 3: Cross multiply
    12,787.56x = 19,173.66 × 5,000.04
  4. Step 4: Simplify right side
    12,787.56x = 95,869,066.95
  5. Step 5: Solve for x
    x = 95,869,066.95/12,787.56
  6. Step 6: Final answer
    x = 7,497.06

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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.