Home / 20,150.39-30,213.85-14,816.75

Finding the Fourth Proportional to 20,150.39, 30,213.85 and 14,816.75

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Solution

The fourth proportional to 20,150.39, 30,213.85 and 14,816.75 is: 22,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.39 : 30,213.85 = 14,816.75 : x
  2. Step 2: Convert to fraction form
    20,150.39/30,213.85 = 14,816.75/x
  3. Step 3: Cross multiply
    20,150.39x = 30,213.85 × 14,816.75
  4. Step 4: Simplify right side
    20,150.39x = 447,671,239.04
  5. Step 5: Solve for x
    x = 447,671,239.04/20,150.39
  6. Step 6: Final answer
    x = 22,216.51

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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.