Home / 12,163.59-18,246.42-3,398.51

Finding the Fourth Proportional to 12,163.59, 18,246.42 and 3,398.51

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Solution

The fourth proportional to 12,163.59, 18,246.42 and 3,398.51 is: 5,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.59 : 18,246.42 = 3,398.51 : x
  2. Step 2: Convert to fraction form
    12,163.59/18,246.42 = 3,398.51/x
  3. Step 3: Cross multiply
    12,163.59x = 18,246.42 × 3,398.51
  4. Step 4: Simplify right side
    12,163.59x = 62,010,549.60
  5. Step 5: Solve for x
    x = 62,010,549.60/12,163.59
  6. Step 6: Final answer
    x = 5,098.05

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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.