Home / 18,961.74-28,433.25-5,810.94

Finding the Fourth Proportional to 18,961.74, 28,433.25 and 5,810.94

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Solution

The fourth proportional to 18,961.74, 28,433.25 and 5,810.94 is: 8,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961.74 : 28,433.25 = 5,810.94 : x
  2. Step 2: Convert to fraction form
    18,961.74/28,433.25 = 5,810.94/x
  3. Step 3: Cross multiply
    18,961.74x = 28,433.25 × 5,810.94
  4. Step 4: Simplify right side
    18,961.74x = 165,223,909.76
  5. Step 5: Solve for x
    x = 165,223,909.76/18,961.74
  6. Step 6: Final answer
    x = 8,713.54

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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.