Home / 20,099.28-30,115.64-6,944.34

Finding the Fourth Proportional to 20,099.28, 30,115.64 and 6,944.34

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Solution

The fourth proportional to 20,099.28, 30,115.64 and 6,944.34 is: 10,405.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099.28 : 30,115.64 = 6,944.34 : x
  2. Step 2: Convert to fraction form
    20,099.28/30,115.64 = 6,944.34/x
  3. Step 3: Cross multiply
    20,099.28x = 30,115.64 × 6,944.34
  4. Step 4: Simplify right side
    20,099.28x = 209,133,243.48
  5. Step 5: Solve for x
    x = 209,133,243.48/20,099.28
  6. Step 6: Final answer
    x = 10,405.01

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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.