Home / 20,614.46-30,903.26-10,078.52

Finding the Fourth Proportional to 20,614.46, 30,903.26 and 10,078.52

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Solution

The fourth proportional to 20,614.46, 30,903.26 and 10,078.52 is: 15,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614.46 : 30,903.26 = 10,078.52 : x
  2. Step 2: Convert to fraction form
    20,614.46/30,903.26 = 10,078.52/x
  3. Step 3: Cross multiply
    20,614.46x = 30,903.26 × 10,078.52
  4. Step 4: Simplify right side
    20,614.46x = 311,458,919.07
  5. Step 5: Solve for x
    x = 311,458,919.07/20,614.46
  6. Step 6: Final answer
    x = 15,108.76

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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.