Home / 16,851.82-23,250-9,775.66

Finding the Fourth Proportional to 16,851.82, 23,250 and 9,775.66

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Solution

The fourth proportional to 16,851.82, 23,250 and 9,775.66 is: 13,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.82 : 23,250 = 9,775.66 : x
  2. Step 2: Convert to fraction form
    16,851.82/23,250 = 9,775.66/x
  3. Step 3: Cross multiply
    16,851.82x = 23,250 × 9,775.66
  4. Step 4: Simplify right side
    16,851.82x = 227,284,095
  5. Step 5: Solve for x
    x = 227,284,095/16,851.82
  6. Step 6: Final answer
    x = 13,487.21

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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.