Home / 17,690.22-26,537.19-8,807.75

Finding the Fourth Proportional to 17,690.22, 26,537.19 and 8,807.75

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Solution

The fourth proportional to 17,690.22, 26,537.19 and 8,807.75 is: 13,212.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.22 : 26,537.19 = 8,807.75 : x
  2. Step 2: Convert to fraction form
    17,690.22/26,537.19 = 8,807.75/x
  3. Step 3: Cross multiply
    17,690.22x = 26,537.19 × 8,807.75
  4. Step 4: Simplify right side
    17,690.22x = 233,732,968.54
  5. Step 5: Solve for x
    x = 233,732,968.54/17,690.22
  6. Step 6: Final answer
    x = 13,212.55

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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.