Home / 20,105.96-30,151.02-6,061.64

Finding the Fourth Proportional to 20,105.96, 30,151.02 and 6,061.64

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Solution

The fourth proportional to 20,105.96, 30,151.02 and 6,061.64 is: 9,090.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,105.96 : 30,151.02 = 6,061.64 : x
  2. Step 2: Convert to fraction form
    20,105.96/30,151.02 = 6,061.64/x
  3. Step 3: Cross multiply
    20,105.96x = 30,151.02 × 6,061.64
  4. Step 4: Simplify right side
    20,105.96x = 182,764,628.87
  5. Step 5: Solve for x
    x = 182,764,628.87/20,105.96
  6. Step 6: Final answer
    x = 9,090.07

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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.