Home / 15,408.36-23,102.82-8,487.72

Finding the Fourth Proportional to 15,408.36, 23,102.82 and 8,487.72

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Solution

The fourth proportional to 15,408.36, 23,102.82 and 8,487.72 is: 12,726.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.36 : 23,102.82 = 8,487.72 : x
  2. Step 2: Convert to fraction form
    15,408.36/23,102.82 = 8,487.72/x
  3. Step 3: Cross multiply
    15,408.36x = 23,102.82 × 8,487.72
  4. Step 4: Simplify right side
    15,408.36x = 196,090,267.37
  5. Step 5: Solve for x
    x = 196,090,267.37/15,408.36
  6. Step 6: Final answer
    x = 12,726.23

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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.