Home / 12,722.87-17,559.66-7,059.44

Finding the Fourth Proportional to 12,722.87, 17,559.66 and 7,059.44

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Solution

The fourth proportional to 12,722.87, 17,559.66 and 7,059.44 is: 9,743.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.87 : 17,559.66 = 7,059.44 : x
  2. Step 2: Convert to fraction form
    12,722.87/17,559.66 = 7,059.44/x
  3. Step 3: Cross multiply
    12,722.87x = 17,559.66 × 7,059.44
  4. Step 4: Simplify right side
    12,722.87x = 123,961,243.09
  5. Step 5: Solve for x
    x = 123,961,243.09/12,722.87
  6. Step 6: Final answer
    x = 9,743.19

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1.5x scale

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.