Home / 12,677.52-19,018.80-3,912.04

Finding the Fourth Proportional to 12,677.52, 19,018.80 and 3,912.04

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Solution

The fourth proportional to 12,677.52, 19,018.80 and 3,912.04 is: 5,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.52 : 19,018.80 = 3,912.04 : x
  2. Step 2: Convert to fraction form
    12,677.52/19,018.80 = 3,912.04/x
  3. Step 3: Cross multiply
    12,677.52x = 19,018.80 × 3,912.04
  4. Step 4: Simplify right side
    12,677.52x = 74,402,306.35
  5. Step 5: Solve for x
    x = 74,402,306.35/12,677.52
  6. Step 6: Final answer
    x = 5,868.84

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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.