Home / 20,152.86-30,205.78-14,808.30

Finding the Fourth Proportional to 20,152.86, 30,205.78 and 14,808.30

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Solution

The fourth proportional to 20,152.86, 30,205.78 and 14,808.30 is: 22,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.86 : 30,205.78 = 14,808.30 : x
  2. Step 2: Convert to fraction form
    20,152.86/30,205.78 = 14,808.30/x
  3. Step 3: Cross multiply
    20,152.86x = 30,205.78 × 14,808.30
  4. Step 4: Simplify right side
    20,152.86x = 447,296,251.97
  5. Step 5: Solve for x
    x = 447,296,251.97/20,152.86
  6. Step 6: Final answer
    x = 22,195.17

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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.