Home / 20,068.72-30,089.94-10,194.28

Finding the Fourth Proportional to 20,068.72, 30,089.94 and 10,194.28

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Solution

The fourth proportional to 20,068.72, 30,089.94 and 10,194.28 is: 15,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.72 : 30,089.94 = 10,194.28 : x
  2. Step 2: Convert to fraction form
    20,068.72/30,089.94 = 10,194.28/x
  3. Step 3: Cross multiply
    20,068.72x = 30,089.94 × 10,194.28
  4. Step 4: Simplify right side
    20,068.72x = 306,745,273.54
  5. Step 5: Solve for x
    x = 306,745,273.54/20,068.72
  6. Step 6: Final answer
    x = 15,284.75

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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.