Home / 18,834.77-28,261.33-7,744.79

Finding the Fourth Proportional to 18,834.77, 28,261.33 and 7,744.79

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Solution

The fourth proportional to 18,834.77, 28,261.33 and 7,744.79 is: 11,620.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.77 : 28,261.33 = 7,744.79 : x
  2. Step 2: Convert to fraction form
    18,834.77/28,261.33 = 7,744.79/x
  3. Step 3: Cross multiply
    18,834.77x = 28,261.33 × 7,744.79
  4. Step 4: Simplify right side
    18,834.77x = 218,877,905.30
  5. Step 5: Solve for x
    x = 218,877,905.30/18,834.77
  6. Step 6: Final answer
    x = 11,620.95

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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.