Home / 11,790.43-17,685.64-3,999.31

Finding the Fourth Proportional to 11,790.43, 17,685.64 and 3,999.31

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Solution

The fourth proportional to 11,790.43, 17,685.64 and 3,999.31 is: 5,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.43 : 17,685.64 = 3,999.31 : x
  2. Step 2: Convert to fraction form
    11,790.43/17,685.64 = 3,999.31/x
  3. Step 3: Cross multiply
    11,790.43x = 17,685.64 × 3,999.31
  4. Step 4: Simplify right side
    11,790.43x = 70,730,356.91
  5. Step 5: Solve for x
    x = 70,730,356.91/11,790.43
  6. Step 6: Final answer
    x = 5,998.96

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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.