Home / 18,984.43-26,194.08-11,021.86

Finding the Fourth Proportional to 18,984.43, 26,194.08 and 11,021.86

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Solution

The fourth proportional to 18,984.43, 26,194.08 and 11,021.86 is: 15,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.43 : 26,194.08 = 11,021.86 : x
  2. Step 2: Convert to fraction form
    18,984.43/26,194.08 = 11,021.86/x
  3. Step 3: Cross multiply
    18,984.43x = 26,194.08 × 11,021.86
  4. Step 4: Simplify right side
    18,984.43x = 288,707,482.59
  5. Step 5: Solve for x
    x = 288,707,482.59/18,984.43
  6. Step 6: Final answer
    x = 15,207.59

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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.