Home / 13,247.08-18,273.36-8,270.44

Finding the Fourth Proportional to 13,247.08, 18,273.36 and 8,270.44

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Solution

The fourth proportional to 13,247.08, 18,273.36 and 8,270.44 is: 11,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.08 : 18,273.36 = 8,270.44 : x
  2. Step 2: Convert to fraction form
    13,247.08/18,273.36 = 8,270.44/x
  3. Step 3: Cross multiply
    13,247.08x = 18,273.36 × 8,270.44
  4. Step 4: Simplify right side
    13,247.08x = 151,128,712.81
  5. Step 5: Solve for x
    x = 151,128,712.81/13,247.08
  6. Step 6: Final answer
    x = 11,408.46

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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.