Home / 19,412.88-29,113.17-12,873.75

Finding the Fourth Proportional to 19,412.88, 29,113.17 and 12,873.75

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Solution

The fourth proportional to 19,412.88, 29,113.17 and 12,873.75 is: 19,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.88 : 29,113.17 = 12,873.75 : x
  2. Step 2: Convert to fraction form
    19,412.88/29,113.17 = 12,873.75/x
  3. Step 3: Cross multiply
    19,412.88x = 29,113.17 × 12,873.75
  4. Step 4: Simplify right side
    19,412.88x = 374,795,672.29
  5. Step 5: Solve for x
    x = 374,795,672.29/19,412.88
  6. Step 6: Final answer
    x = 19,306.55

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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.