Home / 20,333.11-30,500.58-8,934.29

Finding the Fourth Proportional to 20,333.11, 30,500.58 and 8,934.29

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Solution

The fourth proportional to 20,333.11, 30,500.58 and 8,934.29 is: 13,401.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333.11 : 30,500.58 = 8,934.29 : x
  2. Step 2: Convert to fraction form
    20,333.11/30,500.58 = 8,934.29/x
  3. Step 3: Cross multiply
    20,333.11x = 30,500.58 × 8,934.29
  4. Step 4: Simplify right side
    20,333.11x = 272,501,026.89
  5. Step 5: Solve for x
    x = 272,501,026.89/20,333.11
  6. Step 6: Final answer
    x = 13,401.84

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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.