Home / 19,481.28-26,884.14-11,097.78

Finding the Fourth Proportional to 19,481.28, 26,884.14 and 11,097.78

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Solution

The fourth proportional to 19,481.28, 26,884.14 and 11,097.78 is: 15,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.28 : 26,884.14 = 11,097.78 : x
  2. Step 2: Convert to fraction form
    19,481.28/26,884.14 = 11,097.78/x
  3. Step 3: Cross multiply
    19,481.28x = 26,884.14 × 11,097.78
  4. Step 4: Simplify right side
    19,481.28x = 298,354,271.21
  5. Step 5: Solve for x
    x = 298,354,271.21/19,481.28
  6. Step 6: Final answer
    x = 15,314.92

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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.