Home / 20,204.13-30,292.11-8,953.35

Finding the Fourth Proportional to 20,204.13, 30,292.11 and 8,953.35

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Solution

The fourth proportional to 20,204.13, 30,292.11 and 8,953.35 is: 13,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.13 : 30,292.11 = 8,953.35 : x
  2. Step 2: Convert to fraction form
    20,204.13/30,292.11 = 8,953.35/x
  3. Step 3: Cross multiply
    20,204.13x = 30,292.11 × 8,953.35
  4. Step 4: Simplify right side
    20,204.13x = 271,215,863.07
  5. Step 5: Solve for x
    x = 271,215,863.07/20,204.13
  6. Step 6: Final answer
    x = 13,423.78

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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.