Home / 20,694.66-28,558.49-11,263.22

Finding the Fourth Proportional to 20,694.66, 28,558.49 and 11,263.22

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Solution

The fourth proportional to 20,694.66, 28,558.49 and 11,263.22 is: 15,543.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.66 : 28,558.49 = 11,263.22 : x
  2. Step 2: Convert to fraction form
    20,694.66/28,558.49 = 11,263.22/x
  3. Step 3: Cross multiply
    20,694.66x = 28,558.49 × 11,263.22
  4. Step 4: Simplify right side
    20,694.66x = 321,660,570.82
  5. Step 5: Solve for x
    x = 321,660,570.82/20,694.66
  6. Step 6: Final answer
    x = 15,543.17

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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.