Home / 20,179.24-30,268.86-6,139.24

Finding the Fourth Proportional to 20,179.24, 30,268.86 and 6,139.24

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Solution

The fourth proportional to 20,179.24, 30,268.86 and 6,139.24 is: 9,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.24 : 30,268.86 = 6,139.24 : x
  2. Step 2: Convert to fraction form
    20,179.24/30,268.86 = 6,139.24/x
  3. Step 3: Cross multiply
    20,179.24x = 30,268.86 × 6,139.24
  4. Step 4: Simplify right side
    20,179.24x = 185,827,796.07
  5. Step 5: Solve for x
    x = 185,827,796.07/20,179.24
  6. Step 6: Final answer
    x = 9,208.86

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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.