Home / 12,544.22-18,930.15-12,125.95

Finding the Fourth Proportional to 12,544.22, 18,930.15 and 12,125.95

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Solution

The fourth proportional to 12,544.22, 18,930.15 and 12,125.95 is: 18,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.22 : 18,930.15 = 12,125.95 : x
  2. Step 2: Convert to fraction form
    12,544.22/18,930.15 = 12,125.95/x
  3. Step 3: Cross multiply
    12,544.22x = 18,930.15 × 12,125.95
  4. Step 4: Simplify right side
    12,544.22x = 229,546,005.07
  5. Step 5: Solve for x
    x = 229,546,005.07/12,544.22
  6. Step 6: Final answer
    x = 18,298.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.