Home / 20,179.04-30,268.49-6,138.99

Finding the Fourth Proportional to 20,179.04, 30,268.49 and 6,138.99

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Solution

The fourth proportional to 20,179.04, 30,268.49 and 6,138.99 is: 9,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.04 : 30,268.49 = 6,138.99 : x
  2. Step 2: Convert to fraction form
    20,179.04/30,268.49 = 6,138.99/x
  3. Step 3: Cross multiply
    20,179.04x = 30,268.49 × 6,138.99
  4. Step 4: Simplify right side
    20,179.04x = 185,817,926.73
  5. Step 5: Solve for x
    x = 185,817,926.73/20,179.04
  6. Step 6: Final answer
    x = 9,208.46

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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.