Home / 12,348.27-18,519.09-3,463.11

Finding the Fourth Proportional to 12,348.27, 18,519.09 and 3,463.11

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Solution

The fourth proportional to 12,348.27, 18,519.09 and 3,463.11 is: 5,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.27 : 18,519.09 = 3,463.11 : x
  2. Step 2: Convert to fraction form
    12,348.27/18,519.09 = 3,463.11/x
  3. Step 3: Cross multiply
    12,348.27x = 18,519.09 × 3,463.11
  4. Step 4: Simplify right side
    12,348.27x = 64,133,645.77
  5. Step 5: Solve for x
    x = 64,133,645.77/12,348.27
  6. Step 6: Final answer
    x = 5,193.74

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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.