Home / 11,161.32-16,742.38-3,370.13

Finding the Fourth Proportional to 11,161.32, 16,742.38 and 3,370.13

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Solution

The fourth proportional to 11,161.32, 16,742.38 and 3,370.13 is: 5,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.32 : 16,742.38 = 3,370.13 : x
  2. Step 2: Convert to fraction form
    11,161.32/16,742.38 = 3,370.13/x
  3. Step 3: Cross multiply
    11,161.32x = 16,742.38 × 3,370.13
  4. Step 4: Simplify right side
    11,161.32x = 56,423,997.11
  5. Step 5: Solve for x
    x = 56,423,997.11/11,161.32
  6. Step 6: Final answer
    x = 5,055.32

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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.