Home / 13,827.22-20,724.62-6,810.46

Finding the Fourth Proportional to 13,827.22, 20,724.62 and 6,810.46

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Solution

The fourth proportional to 13,827.22, 20,724.62 and 6,810.46 is: 10,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.22 : 20,724.62 = 6,810.46 : x
  2. Step 2: Convert to fraction form
    13,827.22/20,724.62 = 6,810.46/x
  3. Step 3: Cross multiply
    13,827.22x = 20,724.62 × 6,810.46
  4. Step 4: Simplify right side
    13,827.22x = 141,144,195.53
  5. Step 5: Solve for x
    x = 141,144,195.53/13,827.22
  6. Step 6: Final answer
    x = 10,207.71

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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.