Home / 18,949.33-28,425.21-5,810.86

Finding the Fourth Proportional to 18,949.33, 28,425.21 and 5,810.86

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Solution

The fourth proportional to 18,949.33, 28,425.21 and 5,810.86 is: 8,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.33 : 28,425.21 = 5,810.86 : x
  2. Step 2: Convert to fraction form
    18,949.33/28,425.21 = 5,810.86/x
  3. Step 3: Cross multiply
    18,949.33x = 28,425.21 × 5,810.86
  4. Step 4: Simplify right side
    18,949.33x = 165,174,915.78
  5. Step 5: Solve for x
    x = 165,174,915.78/18,949.33
  6. Step 6: Final answer
    x = 8,716.66

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1.5x scale

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.