Home / 20,114.44-30,160.70-6,965.72

Finding the Fourth Proportional to 20,114.44, 30,160.70 and 6,965.72

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Solution

The fourth proportional to 20,114.44, 30,160.70 and 6,965.72 is: 10,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.44 : 30,160.70 = 6,965.72 : x
  2. Step 2: Convert to fraction form
    20,114.44/30,160.70 = 6,965.72/x
  3. Step 3: Cross multiply
    20,114.44x = 30,160.70 × 6,965.72
  4. Step 4: Simplify right side
    20,114.44x = 210,090,991.20
  5. Step 5: Solve for x
    x = 210,090,991.20/20,114.44
  6. Step 6: Final answer
    x = 10,444.78

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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.