Home / 11,005.80-15,187.77-5,969.82

Finding the Fourth Proportional to 11,005.80, 15,187.77 and 5,969.82

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Solution

The fourth proportional to 11,005.80, 15,187.77 and 5,969.82 is: 8,238.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.80 : 15,187.77 = 5,969.82 : x
  2. Step 2: Convert to fraction form
    11,005.80/15,187.77 = 5,969.82/x
  3. Step 3: Cross multiply
    11,005.80x = 15,187.77 × 5,969.82
  4. Step 4: Simplify right side
    11,005.80x = 90,668,253.10
  5. Step 5: Solve for x
    x = 90,668,253.10/11,005.80
  6. Step 6: Final answer
    x = 8,238.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.