Home / 20,094.24-30,143.79-8,407.56

Finding the Fourth Proportional to 20,094.24, 30,143.79 and 8,407.56

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Solution

The fourth proportional to 20,094.24, 30,143.79 and 8,407.56 is: 12,612.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.24 : 30,143.79 = 8,407.56 : x
  2. Step 2: Convert to fraction form
    20,094.24/30,143.79 = 8,407.56/x
  3. Step 3: Cross multiply
    20,094.24x = 30,143.79 × 8,407.56
  4. Step 4: Simplify right side
    20,094.24x = 253,435,723.05
  5. Step 5: Solve for x
    x = 253,435,723.05/20,094.24
  6. Step 6: Final answer
    x = 12,612.36

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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.