Home / 18,801.24-28,204.28-6,315.88

Finding the Fourth Proportional to 18,801.24, 28,204.28 and 6,315.88

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Solution

The fourth proportional to 18,801.24, 28,204.28 and 6,315.88 is: 9,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.24 : 28,204.28 = 6,315.88 : x
  2. Step 2: Convert to fraction form
    18,801.24/28,204.28 = 6,315.88/x
  3. Step 3: Cross multiply
    18,801.24x = 28,204.28 × 6,315.88
  4. Step 4: Simplify right side
    18,801.24x = 178,134,847.97
  5. Step 5: Solve for x
    x = 178,134,847.97/18,801.24
  6. Step 6: Final answer
    x = 9,474.63

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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.