Home / 11,041.36-16,561.86-2,721.44

Finding the Fourth Proportional to 11,041.36, 16,561.86 and 2,721.44

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Solution

The fourth proportional to 11,041.36, 16,561.86 and 2,721.44 is: 4,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,041.36 : 16,561.86 = 2,721.44 : x
  2. Step 2: Convert to fraction form
    11,041.36/16,561.86 = 2,721.44/x
  3. Step 3: Cross multiply
    11,041.36x = 16,561.86 × 2,721.44
  4. Step 4: Simplify right side
    11,041.36x = 45,072,108.28
  5. Step 5: Solve for x
    x = 45,072,108.28/11,041.36
  6. Step 6: Final answer
    x = 4,082.12

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Why These Related Problems?

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