Home / 18,851.12-26,007.09-10,891.88

Finding the Fourth Proportional to 18,851.12, 26,007.09 and 10,891.88

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Solution

The fourth proportional to 18,851.12, 26,007.09 and 10,891.88 is: 15,026.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.12 : 26,007.09 = 10,891.88 : x
  2. Step 2: Convert to fraction form
    18,851.12/26,007.09 = 10,891.88/x
  3. Step 3: Cross multiply
    18,851.12x = 26,007.09 × 10,891.88
  4. Step 4: Simplify right side
    18,851.12x = 283,266,103.43
  5. Step 5: Solve for x
    x = 283,266,103.43/18,851.12
  6. Step 6: Final answer
    x = 15,026.49

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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.