Home / 11,190.56-16,777.36-9,648.72

Finding the Fourth Proportional to 11,190.56, 16,777.36 and 9,648.72

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Solution

The fourth proportional to 11,190.56, 16,777.36 and 9,648.72 is: 14,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.56 : 16,777.36 = 9,648.72 : x
  2. Step 2: Convert to fraction form
    11,190.56/16,777.36 = 9,648.72/x
  3. Step 3: Cross multiply
    11,190.56x = 16,777.36 × 9,648.72
  4. Step 4: Simplify right side
    11,190.56x = 161,880,061.04
  5. Step 5: Solve for x
    x = 161,880,061.04/11,190.56
  6. Step 6: Final answer
    x = 14,465.78

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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.