Home / 15,605.12-23,408.78-4,511.36

Finding the Fourth Proportional to 15,605.12, 23,408.78 and 4,511.36

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Solution

The fourth proportional to 15,605.12, 23,408.78 and 4,511.36 is: 6,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.12 : 23,408.78 = 4,511.36 : x
  2. Step 2: Convert to fraction form
    15,605.12/23,408.78 = 4,511.36/x
  3. Step 3: Cross multiply
    15,605.12x = 23,408.78 × 4,511.36
  4. Step 4: Simplify right side
    15,605.12x = 105,605,433.74
  5. Step 5: Solve for x
    x = 105,605,433.74/15,605.12
  6. Step 6: Final answer
    x = 6,767.36

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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.