Home / 18,194.22-25,084.08-12,518.55

Finding the Fourth Proportional to 18,194.22, 25,084.08 and 12,518.55

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Solution

The fourth proportional to 18,194.22, 25,084.08 and 12,518.55 is: 17,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194.22 : 25,084.08 = 12,518.55 : x
  2. Step 2: Convert to fraction form
    18,194.22/25,084.08 = 12,518.55/x
  3. Step 3: Cross multiply
    18,194.22x = 25,084.08 × 12,518.55
  4. Step 4: Simplify right side
    18,194.22x = 314,016,309.68
  5. Step 5: Solve for x
    x = 314,016,309.68/18,194.22
  6. Step 6: Final answer
    x = 17,259.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.