Home / 12,058.68-18,089.73-3,739.38

Finding the Fourth Proportional to 12,058.68, 18,089.73 and 3,739.38

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Solution

The fourth proportional to 12,058.68, 18,089.73 and 3,739.38 is: 5,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,058.68 : 18,089.73 = 3,739.38 : x
  2. Step 2: Convert to fraction form
    12,058.68/18,089.73 = 3,739.38/x
  3. Step 3: Cross multiply
    12,058.68x = 18,089.73 × 3,739.38
  4. Step 4: Simplify right side
    12,058.68x = 67,644,374.57
  5. Step 5: Solve for x
    x = 67,644,374.57/12,058.68
  6. Step 6: Final answer
    x = 5,609.60

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Why These Related Problems?

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