Home / 19,972.53-29,958.93-8,876.61

Finding the Fourth Proportional to 19,972.53, 29,958.93 and 8,876.61

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Solution

The fourth proportional to 19,972.53, 29,958.93 and 8,876.61 is: 13,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.53 : 29,958.93 = 8,876.61 : x
  2. Step 2: Convert to fraction form
    19,972.53/29,958.93 = 8,876.61/x
  3. Step 3: Cross multiply
    19,972.53x = 29,958.93 × 8,876.61
  4. Step 4: Simplify right side
    19,972.53x = 265,933,737.63
  5. Step 5: Solve for x
    x = 265,933,737.63/19,972.53
  6. Step 6: Final answer
    x = 13,314.97

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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.