Home / 17,112.48-23,617.20-9,660

Finding the Fourth Proportional to 17,112.48, 23,617.20 and 9,660

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Solution

The fourth proportional to 17,112.48, 23,617.20 and 9,660 is: 13,331.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.48 : 23,617.20 = 9,660 : x
  2. Step 2: Convert to fraction form
    17,112.48/23,617.20 = 9,660/x
  3. Step 3: Cross multiply
    17,112.48x = 23,617.20 × 9,660
  4. Step 4: Simplify right side
    17,112.48x = 228,142,152
  5. Step 5: Solve for x
    x = 228,142,152/17,112.48
  6. Step 6: Final answer
    x = 13,331.92

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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.