Home / 20,854.56-31,250.48-8,362.24

Finding the Fourth Proportional to 20,854.56, 31,250.48 and 8,362.24

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Solution

The fourth proportional to 20,854.56, 31,250.48 and 8,362.24 is: 12,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854.56 : 31,250.48 = 8,362.24 : x
  2. Step 2: Convert to fraction form
    20,854.56/31,250.48 = 8,362.24/x
  3. Step 3: Cross multiply
    20,854.56x = 31,250.48 × 8,362.24
  4. Step 4: Simplify right side
    20,854.56x = 261,324,013.88
  5. Step 5: Solve for x
    x = 261,324,013.88/20,854.56
  6. Step 6: Final answer
    x = 12,530.79

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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.