Home / 15,403.37-23,105.23-5,408.36

Finding the Fourth Proportional to 15,403.37, 23,105.23 and 5,408.36

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Solution

The fourth proportional to 15,403.37, 23,105.23 and 5,408.36 is: 8,112.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.37 : 23,105.23 = 5,408.36 : x
  2. Step 2: Convert to fraction form
    15,403.37/23,105.23 = 5,408.36/x
  3. Step 3: Cross multiply
    15,403.37x = 23,105.23 × 5,408.36
  4. Step 4: Simplify right side
    15,403.37x = 124,961,459.49
  5. Step 5: Solve for x
    x = 124,961,459.49/15,403.37
  6. Step 6: Final answer
    x = 8,112.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.