Home / 20,258.24-30,382.49-6,407.24

Finding the Fourth Proportional to 20,258.24, 30,382.49 and 6,407.24

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Solution

The fourth proportional to 20,258.24, 30,382.49 and 6,407.24 is: 9,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.24 : 30,382.49 = 6,407.24 : x
  2. Step 2: Convert to fraction form
    20,258.24/30,382.49 = 6,407.24/x
  3. Step 3: Cross multiply
    20,258.24x = 30,382.49 × 6,407.24
  4. Step 4: Simplify right side
    20,258.24x = 194,667,769.33
  5. Step 5: Solve for x
    x = 194,667,769.33/20,258.24
  6. Step 6: Final answer
    x = 9,609.32

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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.