Home / 20,002.06-30,003.09-5,210.95

Finding the Fourth Proportional to 20,002.06, 30,003.09 and 5,210.95

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Solution

The fourth proportional to 20,002.06, 30,003.09 and 5,210.95 is: 7,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.06 : 30,003.09 = 5,210.95 : x
  2. Step 2: Convert to fraction form
    20,002.06/30,003.09 = 5,210.95/x
  3. Step 3: Cross multiply
    20,002.06x = 30,003.09 × 5,210.95
  4. Step 4: Simplify right side
    20,002.06x = 156,344,601.84
  5. Step 5: Solve for x
    x = 156,344,601.84/20,002.06
  6. Step 6: Final answer
    x = 7,816.43

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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.