Home / 18,273.88-27,423.78-6,587.20

Finding the Fourth Proportional to 18,273.88, 27,423.78 and 6,587.20

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Solution

The fourth proportional to 18,273.88, 27,423.78 and 6,587.20 is: 9,885.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.88 : 27,423.78 = 6,587.20 : x
  2. Step 2: Convert to fraction form
    18,273.88/27,423.78 = 6,587.20/x
  3. Step 3: Cross multiply
    18,273.88x = 27,423.78 × 6,587.20
  4. Step 4: Simplify right side
    18,273.88x = 180,645,923.62
  5. Step 5: Solve for x
    x = 180,645,923.62/18,273.88
  6. Step 6: Final answer
    x = 9,885.47

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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.