Home / 9,192.36-12,685.56-5,213.37

Finding the Fourth Proportional to 9,192.36, 12,685.56 and 5,213.37

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Solution

The fourth proportional to 9,192.36, 12,685.56 and 5,213.37 is: 7,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.36 : 12,685.56 = 5,213.37 : x
  2. Step 2: Convert to fraction form
    9,192.36/12,685.56 = 5,213.37/x
  3. Step 3: Cross multiply
    9,192.36x = 12,685.56 × 5,213.37
  4. Step 4: Simplify right side
    9,192.36x = 66,134,517.94
  5. Step 5: Solve for x
    x = 66,134,517.94/9,192.36
  6. Step 6: Final answer
    x = 7,194.51

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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.