Home / 13,570.44-18,742.59-11,463.78

Finding the Fourth Proportional to 13,570.44, 18,742.59 and 11,463.78

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Solution

The fourth proportional to 13,570.44, 18,742.59 and 11,463.78 is: 15,833.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.44 : 18,742.59 = 11,463.78 : x
  2. Step 2: Convert to fraction form
    13,570.44/18,742.59 = 11,463.78/x
  3. Step 3: Cross multiply
    13,570.44x = 18,742.59 × 11,463.78
  4. Step 4: Simplify right side
    13,570.44x = 214,860,928.39
  5. Step 5: Solve for x
    x = 214,860,928.39/13,570.44
  6. Step 6: Final answer
    x = 15,833.01

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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.