Home / 19,621.32-27,067.38-11,549.28

Finding the Fourth Proportional to 19,621.32, 27,067.38 and 11,549.28

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Solution

The fourth proportional to 19,621.32, 27,067.38 and 11,549.28 is: 15,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.32 : 27,067.38 = 11,549.28 : x
  2. Step 2: Convert to fraction form
    19,621.32/27,067.38 = 11,549.28/x
  3. Step 3: Cross multiply
    19,621.32x = 27,067.38 × 11,549.28
  4. Step 4: Simplify right side
    19,621.32x = 312,608,750.49
  5. Step 5: Solve for x
    x = 312,608,750.49/19,621.32
  6. Step 6: Final answer
    x = 15,932.10

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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.