Home / 20,246.05-30,366.90-5,456.46

Finding the Fourth Proportional to 20,246.05, 30,366.90 and 5,456.46

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Solution

The fourth proportional to 20,246.05, 30,366.90 and 5,456.46 is: 8,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.05 : 30,366.90 = 5,456.46 : x
  2. Step 2: Convert to fraction form
    20,246.05/30,366.90 = 5,456.46/x
  3. Step 3: Cross multiply
    20,246.05x = 30,366.90 × 5,456.46
  4. Step 4: Simplify right side
    20,246.05x = 165,695,889.05
  5. Step 5: Solve for x
    x = 165,695,889.05/20,246.05
  6. Step 6: Final answer
    x = 8,184.11

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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.