Home / 13,270.80-19,906.20-5,373.30

Finding the Fourth Proportional to 13,270.80, 19,906.20 and 5,373.30

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Solution

The fourth proportional to 13,270.80, 19,906.20 and 5,373.30 is: 8,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.80 : 19,906.20 = 5,373.30 : x
  2. Step 2: Convert to fraction form
    13,270.80/19,906.20 = 5,373.30/x
  3. Step 3: Cross multiply
    13,270.80x = 19,906.20 × 5,373.30
  4. Step 4: Simplify right side
    13,270.80x = 106,961,984.46
  5. Step 5: Solve for x
    x = 106,961,984.46/13,270.80
  6. Step 6: Final answer
    x = 8,059.95

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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.