Home / 13,816.02-19,072.51-8,148.86

Finding the Fourth Proportional to 13,816.02, 19,072.51 and 8,148.86

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Solution

The fourth proportional to 13,816.02, 19,072.51 and 8,148.86 is: 11,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.02 : 19,072.51 = 8,148.86 : x
  2. Step 2: Convert to fraction form
    13,816.02/19,072.51 = 8,148.86/x
  3. Step 3: Cross multiply
    13,816.02x = 19,072.51 × 8,148.86
  4. Step 4: Simplify right side
    13,816.02x = 155,419,213.84
  5. Step 5: Solve for x
    x = 155,419,213.84/13,816.02
  6. Step 6: Final answer
    x = 11,249.20

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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.