Home / 12,257.08-18,246.99-12,184.18

Finding the Fourth Proportional to 12,257.08, 18,246.99 and 12,184.18

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Solution

The fourth proportional to 12,257.08, 18,246.99 and 12,184.18 is: 18,138.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257.08 : 18,246.99 = 12,184.18 : x
  2. Step 2: Convert to fraction form
    12,257.08/18,246.99 = 12,184.18/x
  3. Step 3: Cross multiply
    12,257.08x = 18,246.99 × 12,184.18
  4. Step 4: Simplify right side
    12,257.08x = 222,324,610.62
  5. Step 5: Solve for x
    x = 222,324,610.62/12,257.08
  6. Step 6: Final answer
    x = 18,138.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.