Home / 11,251.56-16,878.18-4,326.06

Finding the Fourth Proportional to 11,251.56, 16,878.18 and 4,326.06

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Solution

The fourth proportional to 11,251.56, 16,878.18 and 4,326.06 is: 6,489.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.56 : 16,878.18 = 4,326.06 : x
  2. Step 2: Convert to fraction form
    11,251.56/16,878.18 = 4,326.06/x
  3. Step 3: Cross multiply
    11,251.56x = 16,878.18 × 4,326.06
  4. Step 4: Simplify right side
    11,251.56x = 73,016,019.37
  5. Step 5: Solve for x
    x = 73,016,019.37/11,251.56
  6. Step 6: Final answer
    x = 6,489.41

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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.