Home / 20,248.35-30,363.00-6,917.78

Finding the Fourth Proportional to 20,248.35, 30,363.00 and 6,917.78

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Solution

The fourth proportional to 20,248.35, 30,363.00 and 6,917.78 is: 10,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.35 : 30,363.00 = 6,917.78 : x
  2. Step 2: Convert to fraction form
    20,248.35/30,363.00 = 6,917.78/x
  3. Step 3: Cross multiply
    20,248.35x = 30,363.00 × 6,917.78
  4. Step 4: Simplify right side
    20,248.35x = 210,044,557.62
  5. Step 5: Solve for x
    x = 210,044,557.62/20,248.35
  6. Step 6: Final answer
    x = 10,373.41

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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.