Home / 16,745.18-23,108.45-9,191.84

Finding the Fourth Proportional to 16,745.18, 23,108.45 and 9,191.84

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Solution

The fourth proportional to 16,745.18, 23,108.45 and 9,191.84 is: 12,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,745.18 : 23,108.45 = 9,191.84 : x
  2. Step 2: Convert to fraction form
    16,745.18/23,108.45 = 9,191.84/x
  3. Step 3: Cross multiply
    16,745.18x = 23,108.45 × 9,191.84
  4. Step 4: Simplify right side
    16,745.18x = 212,409,013.55
  5. Step 5: Solve for x
    x = 212,409,013.55/16,745.18
  6. Step 6: Final answer
    x = 12,684.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.