Home / 18,757.64-28,139.34-6,273.80

Finding the Fourth Proportional to 18,757.64, 28,139.34 and 6,273.80

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Solution

The fourth proportional to 18,757.64, 28,139.34 and 6,273.80 is: 9,411.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.64 : 28,139.34 = 6,273.80 : x
  2. Step 2: Convert to fraction form
    18,757.64/28,139.34 = 6,273.80/x
  3. Step 3: Cross multiply
    18,757.64x = 28,139.34 × 6,273.80
  4. Step 4: Simplify right side
    18,757.64x = 176,540,591.29
  5. Step 5: Solve for x
    x = 176,540,591.29/18,757.64
  6. Step 6: Final answer
    x = 9,411.66

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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.