Home / 13,829.22-20,727.63-6,812.46

Finding the Fourth Proportional to 13,829.22, 20,727.63 and 6,812.46

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Solution

The fourth proportional to 13,829.22, 20,727.63 and 6,812.46 is: 10,210.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.22 : 20,727.63 = 6,812.46 : x
  2. Step 2: Convert to fraction form
    13,829.22/20,727.63 = 6,812.46/x
  3. Step 3: Cross multiply
    13,829.22x = 20,727.63 × 6,812.46
  4. Step 4: Simplify right side
    13,829.22x = 141,206,150.27
  5. Step 5: Solve for x
    x = 141,206,150.27/13,829.22
  6. Step 6: Final answer
    x = 10,210.71

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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.