Home / 19,920.48-29,873.75-5,876.78

Finding the Fourth Proportional to 19,920.48, 29,873.75 and 5,876.78

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Solution

The fourth proportional to 19,920.48, 29,873.75 and 5,876.78 is: 8,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920.48 : 29,873.75 = 5,876.78 : x
  2. Step 2: Convert to fraction form
    19,920.48/29,873.75 = 5,876.78/x
  3. Step 3: Cross multiply
    19,920.48x = 29,873.75 × 5,876.78
  4. Step 4: Simplify right side
    19,920.48x = 175,561,411.38
  5. Step 5: Solve for x
    x = 175,561,411.38/19,920.48
  6. Step 6: Final answer
    x = 8,813.11

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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.