Home / 12,458.13-18,687.26-3,224.13

Finding the Fourth Proportional to 12,458.13, 18,687.26 and 3,224.13

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Solution

The fourth proportional to 12,458.13, 18,687.26 and 3,224.13 is: 4,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458.13 : 18,687.26 = 3,224.13 : x
  2. Step 2: Convert to fraction form
    12,458.13/18,687.26 = 3,224.13/x
  3. Step 3: Cross multiply
    12,458.13x = 18,687.26 × 3,224.13
  4. Step 4: Simplify right side
    12,458.13x = 60,250,155.58
  5. Step 5: Solve for x
    x = 60,250,155.58/12,458.13
  6. Step 6: Final answer
    x = 4,836.21

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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.