Home / 12,403.54-18,601.66-3,637.32

Finding the Fourth Proportional to 12,403.54, 18,601.66 and 3,637.32

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Solution

The fourth proportional to 12,403.54, 18,601.66 and 3,637.32 is: 5,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.54 : 18,601.66 = 3,637.32 : x
  2. Step 2: Convert to fraction form
    12,403.54/18,601.66 = 3,637.32/x
  3. Step 3: Cross multiply
    12,403.54x = 18,601.66 × 3,637.32
  4. Step 4: Simplify right side
    12,403.54x = 67,660,189.95
  5. Step 5: Solve for x
    x = 67,660,189.95/12,403.54
  6. Step 6: Final answer
    x = 5,454.91

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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.