Home / 20,126.17-30,189.26-6,276.25

Finding the Fourth Proportional to 20,126.17, 30,189.26 and 6,276.25

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Solution

The fourth proportional to 20,126.17, 30,189.26 and 6,276.25 is: 9,414.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,126.17 : 30,189.26 = 6,276.25 : x
  2. Step 2: Convert to fraction form
    20,126.17/30,189.26 = 6,276.25/x
  3. Step 3: Cross multiply
    20,126.17x = 30,189.26 × 6,276.25
  4. Step 4: Simplify right side
    20,126.17x = 189,475,311.69
  5. Step 5: Solve for x
    x = 189,475,311.69/20,126.17
  6. Step 6: Final answer
    x = 9,414.38

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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.