Home / 18,333.43-27,478.85-8,451.90

Finding the Fourth Proportional to 18,333.43, 27,478.85 and 8,451.90

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Solution

The fourth proportional to 18,333.43, 27,478.85 and 8,451.90 is: 12,668.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.43 : 27,478.85 = 8,451.90 : x
  2. Step 2: Convert to fraction form
    18,333.43/27,478.85 = 8,451.90/x
  3. Step 3: Cross multiply
    18,333.43x = 27,478.85 × 8,451.90
  4. Step 4: Simplify right side
    18,333.43x = 232,248,450.06
  5. Step 5: Solve for x
    x = 232,248,450.06/18,333.43
  6. Step 6: Final answer
    x = 12,668.03

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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.