Home / 17,331.68-23,917.70-9,778

Finding the Fourth Proportional to 17,331.68, 23,917.70 and 9,778

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Solution

The fourth proportional to 17,331.68, 23,917.70 and 9,778 is: 13,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,331.68 : 23,917.70 = 9,778 : x
  2. Step 2: Convert to fraction form
    17,331.68/23,917.70 = 9,778/x
  3. Step 3: Cross multiply
    17,331.68x = 23,917.70 × 9,778
  4. Step 4: Simplify right side
    17,331.68x = 233,867,270.60
  5. Step 5: Solve for x
    x = 233,867,270.60/17,331.68
  6. Step 6: Final answer
    x = 13,493.63

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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.