Home / 18,824.13-28,228.99-6,340.80

Finding the Fourth Proportional to 18,824.13, 28,228.99 and 6,340.80

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Solution

The fourth proportional to 18,824.13, 28,228.99 and 6,340.80 is: 9,508.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.13 : 28,228.99 = 6,340.80 : x
  2. Step 2: Convert to fraction form
    18,824.13/28,228.99 = 6,340.80/x
  3. Step 3: Cross multiply
    18,824.13x = 28,228.99 × 6,340.80
  4. Step 4: Simplify right side
    18,824.13x = 178,994,379.79
  5. Step 5: Solve for x
    x = 178,994,379.79/18,824.13
  6. Step 6: Final answer
    x = 9,508.77

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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.