Home / 13,133.02-18,122.97-8,097.71

Finding the Fourth Proportional to 13,133.02, 18,122.97 and 8,097.71

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Solution

The fourth proportional to 13,133.02, 18,122.97 and 8,097.71 is: 11,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.02 : 18,122.97 = 8,097.71 : x
  2. Step 2: Convert to fraction form
    13,133.02/18,122.97 = 8,097.71/x
  3. Step 3: Cross multiply
    13,133.02x = 18,122.97 × 8,097.71
  4. Step 4: Simplify right side
    13,133.02x = 146,754,528.90
  5. Step 5: Solve for x
    x = 146,754,528.90/13,133.02
  6. Step 6: Final answer
    x = 11,174.47

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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.