Home / 20,601.24-30,902.04-13,491.48

Finding the Fourth Proportional to 20,601.24, 30,902.04 and 13,491.48

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Solution

The fourth proportional to 20,601.24, 30,902.04 and 13,491.48 is: 20,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601.24 : 30,902.04 = 13,491.48 : x
  2. Step 2: Convert to fraction form
    20,601.24/30,902.04 = 13,491.48/x
  3. Step 3: Cross multiply
    20,601.24x = 30,902.04 × 13,491.48
  4. Step 4: Simplify right side
    20,601.24x = 416,914,254.62
  5. Step 5: Solve for x
    x = 416,914,254.62/20,601.24
  6. Step 6: Final answer
    x = 20,237.34

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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.