Home / 19,481.40-26,884.62-11,097.72

Finding the Fourth Proportional to 19,481.40, 26,884.62 and 11,097.72

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Solution

The fourth proportional to 19,481.40, 26,884.62 and 11,097.72 is: 15,315.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.40 : 26,884.62 = 11,097.72 : x
  2. Step 2: Convert to fraction form
    19,481.40/26,884.62 = 11,097.72/x
  3. Step 3: Cross multiply
    19,481.40x = 26,884.62 × 11,097.72
  4. Step 4: Simplify right side
    19,481.40x = 298,357,985.07
  5. Step 5: Solve for x
    x = 298,357,985.07/19,481.40
  6. Step 6: Final answer
    x = 15,315.02

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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.