Home / 19,451.87-29,177.82-5,411.89

Finding the Fourth Proportional to 19,451.87, 29,177.82 and 5,411.89

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Solution

The fourth proportional to 19,451.87, 29,177.82 and 5,411.89 is: 8,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.87 : 29,177.82 = 5,411.89 : x
  2. Step 2: Convert to fraction form
    19,451.87/29,177.82 = 5,411.89/x
  3. Step 3: Cross multiply
    19,451.87x = 29,177.82 × 5,411.89
  4. Step 4: Simplify right side
    19,451.87x = 157,907,079.34
  5. Step 5: Solve for x
    x = 157,907,079.34/19,451.87
  6. Step 6: Final answer
    x = 8,117.84

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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.