Home / 20,654.18-30,979.37-6,803.18

Finding the Fourth Proportional to 20,654.18, 30,979.37 and 6,803.18

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Solution

The fourth proportional to 20,654.18, 30,979.37 and 6,803.18 is: 10,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654.18 : 30,979.37 = 6,803.18 : x
  2. Step 2: Convert to fraction form
    20,654.18/30,979.37 = 6,803.18/x
  3. Step 3: Cross multiply
    20,654.18x = 30,979.37 × 6,803.18
  4. Step 4: Simplify right side
    20,654.18x = 210,758,230.40
  5. Step 5: Solve for x
    x = 210,758,230.40/20,654.18
  6. Step 6: Final answer
    x = 10,204.14

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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.