Home / 20,110.20-30,164.58-6,962.10

Finding the Fourth Proportional to 20,110.20, 30,164.58 and 6,962.10

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Solution

The fourth proportional to 20,110.20, 30,164.58 and 6,962.10 is: 10,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.20 : 30,164.58 = 6,962.10 : x
  2. Step 2: Convert to fraction form
    20,110.20/30,164.58 = 6,962.10/x
  3. Step 3: Cross multiply
    20,110.20x = 30,164.58 × 6,962.10
  4. Step 4: Simplify right side
    20,110.20x = 210,008,822.42
  5. Step 5: Solve for x
    x = 210,008,822.42/20,110.20
  6. Step 6: Final answer
    x = 10,442.90

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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.