Home / 17,511.62-26,187.64-13,072.41

Finding the Fourth Proportional to 17,511.62, 26,187.64 and 13,072.41

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Solution

The fourth proportional to 17,511.62, 26,187.64 and 13,072.41 is: 19,549.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,511.62 : 26,187.64 = 13,072.41 : x
  2. Step 2: Convert to fraction form
    17,511.62/26,187.64 = 13,072.41/x
  3. Step 3: Cross multiply
    17,511.62x = 26,187.64 × 13,072.41
  4. Step 4: Simplify right side
    17,511.62x = 342,335,534.33
  5. Step 5: Solve for x
    x = 342,335,534.33/17,511.62
  6. Step 6: Final answer
    x = 19,549.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.