Home / 20,179.29-30,268.95-9,798.33

Finding the Fourth Proportional to 20,179.29, 30,268.95 and 9,798.33

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Solution

The fourth proportional to 20,179.29, 30,268.95 and 9,798.33 is: 14,697.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.29 : 30,268.95 = 9,798.33 : x
  2. Step 2: Convert to fraction form
    20,179.29/30,268.95 = 9,798.33/x
  3. Step 3: Cross multiply
    20,179.29x = 30,268.95 × 9,798.33
  4. Step 4: Simplify right side
    20,179.29x = 296,585,160.85
  5. Step 5: Solve for x
    x = 296,585,160.85/20,179.29
  6. Step 6: Final answer
    x = 14,697.50

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Double scale
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Similar ratio
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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.