Home / 20,414.18-30,621.27-5,623.25

Finding the Fourth Proportional to 20,414.18, 30,621.27 and 5,623.25

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Solution

The fourth proportional to 20,414.18, 30,621.27 and 5,623.25 is: 8,434.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414.18 : 30,621.27 = 5,623.25 : x
  2. Step 2: Convert to fraction form
    20,414.18/30,621.27 = 5,623.25/x
  3. Step 3: Cross multiply
    20,414.18x = 30,621.27 × 5,623.25
  4. Step 4: Simplify right side
    20,414.18x = 172,190,903.42
  5. Step 5: Solve for x
    x = 172,190,903.42/20,414.18
  6. Step 6: Final answer
    x = 8,434.87

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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.