Home / 12,458.26-18,689.55-3,694.06

Finding the Fourth Proportional to 12,458.26, 18,689.55 and 3,694.06

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Solution

The fourth proportional to 12,458.26, 18,689.55 and 3,694.06 is: 5,541.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458.26 : 18,689.55 = 3,694.06 : x
  2. Step 2: Convert to fraction form
    12,458.26/18,689.55 = 3,694.06/x
  3. Step 3: Cross multiply
    12,458.26x = 18,689.55 × 3,694.06
  4. Step 4: Simplify right side
    12,458.26x = 69,040,319.07
  5. Step 5: Solve for x
    x = 69,040,319.07/12,458.26
  6. Step 6: Final answer
    x = 5,541.73

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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.