Home / 20,656.18-30,982.37-6,805.18

Finding the Fourth Proportional to 20,656.18, 30,982.37 and 6,805.18

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Solution

The fourth proportional to 20,656.18, 30,982.37 and 6,805.18 is: 10,207.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656.18 : 30,982.37 = 6,805.18 : x
  2. Step 2: Convert to fraction form
    20,656.18/30,982.37 = 6,805.18/x
  3. Step 3: Cross multiply
    20,656.18x = 30,982.37 × 6,805.18
  4. Step 4: Simplify right side
    20,656.18x = 210,840,604.68
  5. Step 5: Solve for x
    x = 210,840,604.68/20,656.18
  6. Step 6: Final answer
    x = 10,207.14

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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.