Home / 19,149.12-26,425.80-11,191.14

Finding the Fourth Proportional to 19,149.12, 26,425.80 and 11,191.14

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Solution

The fourth proportional to 19,149.12, 26,425.80 and 11,191.14 is: 15,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.12 : 26,425.80 = 11,191.14 : x
  2. Step 2: Convert to fraction form
    19,149.12/26,425.80 = 11,191.14/x
  3. Step 3: Cross multiply
    19,149.12x = 26,425.80 × 11,191.14
  4. Step 4: Simplify right side
    19,149.12x = 295,734,827.41
  5. Step 5: Solve for x
    x = 295,734,827.41/19,149.12
  6. Step 6: Final answer
    x = 15,443.78

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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.