Home / 18,975.04-26,180.64-11,418.96

Finding the Fourth Proportional to 18,975.04, 26,180.64 and 11,418.96

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Solution

The fourth proportional to 18,975.04, 26,180.64 and 11,418.96 is: 15,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.04 : 26,180.64 = 11,418.96 : x
  2. Step 2: Convert to fraction form
    18,975.04/26,180.64 = 11,418.96/x
  3. Step 3: Cross multiply
    18,975.04x = 26,180.64 × 11,418.96
  4. Step 4: Simplify right side
    18,975.04x = 298,955,680.93
  5. Step 5: Solve for x
    x = 298,955,680.93/18,975.04
  6. Step 6: Final answer
    x = 15,755.21

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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.