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Finding the Fourth Proportional to 17,806.26, 26,713.17 and 6,712.68

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Solution

The fourth proportional to 17,806.26, 26,713.17 and 6,712.68 is: 10,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,806.26 : 26,713.17 = 6,712.68 : x
  2. Step 2: Convert to fraction form
    17,806.26/26,713.17 = 6,712.68/x
  3. Step 3: Cross multiply
    17,806.26x = 26,713.17 × 6,712.68
  4. Step 4: Simplify right side
    17,806.26x = 179,316,962.00
  5. Step 5: Solve for x
    x = 179,316,962.00/17,806.26
  6. Step 6: Final answer
    x = 10,070.45

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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.