Home / 19,132.89-26,374.86-13,449.12

Finding the Fourth Proportional to 19,132.89, 26,374.86 and 13,449.12

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Solution

The fourth proportional to 19,132.89, 26,374.86 and 13,449.12 is: 18,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.89 : 26,374.86 = 13,449.12 : x
  2. Step 2: Convert to fraction form
    19,132.89/26,374.86 = 13,449.12/x
  3. Step 3: Cross multiply
    19,132.89x = 26,374.86 × 13,449.12
  4. Step 4: Simplify right side
    19,132.89x = 354,718,657.12
  5. Step 5: Solve for x
    x = 354,718,657.12/19,132.89
  6. Step 6: Final answer
    x = 18,539.73

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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.