Home / 13,397.54-20,097.18-6,821.96

Finding the Fourth Proportional to 13,397.54, 20,097.18 and 6,821.96

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Solution

The fourth proportional to 13,397.54, 20,097.18 and 6,821.96 is: 10,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.54 : 20,097.18 = 6,821.96 : x
  2. Step 2: Convert to fraction form
    13,397.54/20,097.18 = 6,821.96/x
  3. Step 3: Cross multiply
    13,397.54x = 20,097.18 × 6,821.96
  4. Step 4: Simplify right side
    13,397.54x = 137,102,057.59
  5. Step 5: Solve for x
    x = 137,102,057.59/13,397.54
  6. Step 6: Final answer
    x = 10,233.38

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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.