Home / 18,151.32-27,229.87-6,308.72

Finding the Fourth Proportional to 18,151.32, 27,229.87 and 6,308.72

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Solution

The fourth proportional to 18,151.32, 27,229.87 and 6,308.72 is: 9,464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.32 : 27,229.87 = 6,308.72 : x
  2. Step 2: Convert to fraction form
    18,151.32/27,229.87 = 6,308.72/x
  3. Step 3: Cross multiply
    18,151.32x = 27,229.87 × 6,308.72
  4. Step 4: Simplify right side
    18,151.32x = 171,785,625.47
  5. Step 5: Solve for x
    x = 171,785,625.47/18,151.32
  6. Step 6: Final answer
    x = 9,464.08

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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.