Home / 20,156.22-30,226.54-6,644.14

Finding the Fourth Proportional to 20,156.22, 30,226.54 and 6,644.14

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Solution

The fourth proportional to 20,156.22, 30,226.54 and 6,644.14 is: 9,963.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156.22 : 30,226.54 = 6,644.14 : x
  2. Step 2: Convert to fraction form
    20,156.22/30,226.54 = 6,644.14/x
  3. Step 3: Cross multiply
    20,156.22x = 30,226.54 × 6,644.14
  4. Step 4: Simplify right side
    20,156.22x = 200,829,445.07
  5. Step 5: Solve for x
    x = 200,829,445.07/20,156.22
  6. Step 6: Final answer
    x = 9,963.65

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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.