Home / 12,747.25-19,116.24-4,425.04

Finding the Fourth Proportional to 12,747.25, 19,116.24 and 4,425.04

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Solution

The fourth proportional to 12,747.25, 19,116.24 and 4,425.04 is: 6,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.25 : 19,116.24 = 4,425.04 : x
  2. Step 2: Convert to fraction form
    12,747.25/19,116.24 = 4,425.04/x
  3. Step 3: Cross multiply
    12,747.25x = 19,116.24 × 4,425.04
  4. Step 4: Simplify right side
    12,747.25x = 84,590,126.65
  5. Step 5: Solve for x
    x = 84,590,126.65/12,747.25
  6. Step 6: Final answer
    x = 6,635.95

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1.5x scale

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.