Home / 11,703.47-17,555.20-3,912.28

Finding the Fourth Proportional to 11,703.47, 17,555.20 and 3,912.28

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Solution

The fourth proportional to 11,703.47, 17,555.20 and 3,912.28 is: 5,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.47 : 17,555.20 = 3,912.28 : x
  2. Step 2: Convert to fraction form
    11,703.47/17,555.20 = 3,912.28/x
  3. Step 3: Cross multiply
    11,703.47x = 17,555.20 × 3,912.28
  4. Step 4: Simplify right side
    11,703.47x = 68,680,857.86
  5. Step 5: Solve for x
    x = 68,680,857.86/11,703.47
  6. Step 6: Final answer
    x = 5,868.42

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1.5x scale

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.