Home / 12,029.12-18,052.80-5,108.48

Finding the Fourth Proportional to 12,029.12, 18,052.80 and 5,108.48

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Solution

The fourth proportional to 12,029.12, 18,052.80 and 5,108.48 is: 7,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.12 : 18,052.80 = 5,108.48 : x
  2. Step 2: Convert to fraction form
    12,029.12/18,052.80 = 5,108.48/x
  3. Step 3: Cross multiply
    12,029.12x = 18,052.80 × 5,108.48
  4. Step 4: Simplify right side
    12,029.12x = 92,222,367.74
  5. Step 5: Solve for x
    x = 92,222,367.74/12,029.12
  6. Step 6: Final answer
    x = 7,666.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.