Home / 11,896.79-17,820.90-5,637.83

Finding the Fourth Proportional to 11,896.79, 17,820.90 and 5,637.83

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Solution

The fourth proportional to 11,896.79, 17,820.90 and 5,637.83 is: 8,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896.79 : 17,820.90 = 5,637.83 : x
  2. Step 2: Convert to fraction form
    11,896.79/17,820.90 = 5,637.83/x
  3. Step 3: Cross multiply
    11,896.79x = 17,820.90 × 5,637.83
  4. Step 4: Simplify right side
    11,896.79x = 100,471,115.54
  5. Step 5: Solve for x
    x = 100,471,115.54/11,896.79
  6. Step 6: Final answer
    x = 8,445.23

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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.