Home / 20,025.51-30,040.29-6,876.11

Finding the Fourth Proportional to 20,025.51, 30,040.29 and 6,876.11

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Solution

The fourth proportional to 20,025.51, 30,040.29 and 6,876.11 is: 10,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.51 : 30,040.29 = 6,876.11 : x
  2. Step 2: Convert to fraction form
    20,025.51/30,040.29 = 6,876.11/x
  3. Step 3: Cross multiply
    20,025.51x = 30,040.29 × 6,876.11
  4. Step 4: Simplify right side
    20,025.51x = 206,560,188.27
  5. Step 5: Solve for x
    x = 206,560,188.27/20,025.51
  6. Step 6: Final answer
    x = 10,314.85

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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.