Home / 11,151.78-16,727.70-4,578.06

Finding the Fourth Proportional to 11,151.78, 16,727.70 and 4,578.06

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Solution

The fourth proportional to 11,151.78, 16,727.70 and 4,578.06 is: 6,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.78 : 16,727.70 = 4,578.06 : x
  2. Step 2: Convert to fraction form
    11,151.78/16,727.70 = 4,578.06/x
  3. Step 3: Cross multiply
    11,151.78x = 16,727.70 × 4,578.06
  4. Step 4: Simplify right side
    11,151.78x = 76,580,414.26
  5. Step 5: Solve for x
    x = 76,580,414.26/11,151.78
  6. Step 6: Final answer
    x = 6,867.10

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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.