Home / 11,822.51-17,738.84-4,426.02

Finding the Fourth Proportional to 11,822.51, 17,738.84 and 4,426.02

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Solution

The fourth proportional to 11,822.51, 17,738.84 and 4,426.02 is: 6,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.51 : 17,738.84 = 4,426.02 : x
  2. Step 2: Convert to fraction form
    11,822.51/17,738.84 = 4,426.02/x
  3. Step 3: Cross multiply
    11,822.51x = 17,738.84 × 4,426.02
  4. Step 4: Simplify right side
    11,822.51x = 78,512,438.49
  5. Step 5: Solve for x
    x = 78,512,438.49/11,822.51
  6. Step 6: Final answer
    x = 6,640.93

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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.