Home / 11,146.64-15,382.49-6,367.22

Finding the Fourth Proportional to 11,146.64, 15,382.49 and 6,367.22

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Solution

The fourth proportional to 11,146.64, 15,382.49 and 6,367.22 is: 8,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.64 : 15,382.49 = 6,367.22 : x
  2. Step 2: Convert to fraction form
    11,146.64/15,382.49 = 6,367.22/x
  3. Step 3: Cross multiply
    11,146.64x = 15,382.49 × 6,367.22
  4. Step 4: Simplify right side
    11,146.64x = 97,943,731.22
  5. Step 5: Solve for x
    x = 97,943,731.22/11,146.64
  6. Step 6: Final answer
    x = 8,786.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.