Home / 20,106.24-30,150.56-8,251.88

Finding the Fourth Proportional to 20,106.24, 30,150.56 and 8,251.88

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Solution

The fourth proportional to 20,106.24, 30,150.56 and 8,251.88 is: 12,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,106.24 : 30,150.56 = 8,251.88 : x
  2. Step 2: Convert to fraction form
    20,106.24/30,150.56 = 8,251.88/x
  3. Step 3: Cross multiply
    20,106.24x = 30,150.56 × 8,251.88
  4. Step 4: Simplify right side
    20,106.24x = 248,798,803.05
  5. Step 5: Solve for x
    x = 248,798,803.05/20,106.24
  6. Step 6: Final answer
    x = 12,374.21

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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.