Home / 20,114.28-30,171.36-6,263.28

Finding the Fourth Proportional to 20,114.28, 30,171.36 and 6,263.28

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Solution

The fourth proportional to 20,114.28, 30,171.36 and 6,263.28 is: 9,394.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.28 : 30,171.36 = 6,263.28 : x
  2. Step 2: Convert to fraction form
    20,114.28/30,171.36 = 6,263.28/x
  3. Step 3: Cross multiply
    20,114.28x = 30,171.36 × 6,263.28
  4. Step 4: Simplify right side
    20,114.28x = 188,971,675.66
  5. Step 5: Solve for x
    x = 188,971,675.66/20,114.28
  6. Step 6: Final answer
    x = 9,394.90

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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.