Home / 18,921.44-28,382.16-10,597.52

Finding the Fourth Proportional to 18,921.44, 28,382.16 and 10,597.52

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Solution

The fourth proportional to 18,921.44, 28,382.16 and 10,597.52 is: 15,896.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,921.44 : 28,382.16 = 10,597.52 : x
  2. Step 2: Convert to fraction form
    18,921.44/28,382.16 = 10,597.52/x
  3. Step 3: Cross multiply
    18,921.44x = 28,382.16 × 10,597.52
  4. Step 4: Simplify right side
    18,921.44x = 300,780,508.24
  5. Step 5: Solve for x
    x = 300,780,508.24/18,921.44
  6. Step 6: Final answer
    x = 15,896.28

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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.