Home / 13,790.43-20,685.61-5,999.23

Finding the Fourth Proportional to 13,790.43, 20,685.61 and 5,999.23

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Solution

The fourth proportional to 13,790.43, 20,685.61 and 5,999.23 is: 8,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.43 : 20,685.61 = 5,999.23 : x
  2. Step 2: Convert to fraction form
    13,790.43/20,685.61 = 5,999.23/x
  3. Step 3: Cross multiply
    13,790.43x = 20,685.61 × 5,999.23
  4. Step 4: Simplify right side
    13,790.43x = 124,097,732.08
  5. Step 5: Solve for x
    x = 124,097,732.08/13,790.43
  6. Step 6: Final answer
    x = 8,998.83

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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.