Home / 20,246.84-30,370.97-5,456.11

Finding the Fourth Proportional to 20,246.84, 30,370.97 and 5,456.11

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Solution

The fourth proportional to 20,246.84, 30,370.97 and 5,456.11 is: 8,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.84 : 30,370.97 = 5,456.11 : x
  2. Step 2: Convert to fraction form
    20,246.84/30,370.97 = 5,456.11/x
  3. Step 3: Cross multiply
    20,246.84x = 30,370.97 × 5,456.11
  4. Step 4: Simplify right side
    20,246.84x = 165,707,325.85
  5. Step 5: Solve for x
    x = 165,707,325.85/20,246.84
  6. Step 6: Final answer
    x = 8,184.36

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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.