Home / 12,462.06-18,689.90-3,694.92

Finding the Fourth Proportional to 12,462.06, 18,689.90 and 3,694.92

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Solution

The fourth proportional to 12,462.06, 18,689.90 and 3,694.92 is: 5,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.06 : 18,689.90 = 3,694.92 : x
  2. Step 2: Convert to fraction form
    12,462.06/18,689.90 = 3,694.92/x
  3. Step 3: Cross multiply
    12,462.06x = 18,689.90 × 3,694.92
  4. Step 4: Simplify right side
    12,462.06x = 69,057,685.31
  5. Step 5: Solve for x
    x = 69,057,685.31/12,462.06
  6. Step 6: Final answer
    x = 5,541.43

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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.