Home / 20,100.70-30,141.44-9,007.48

Finding the Fourth Proportional to 20,100.70, 30,141.44 and 9,007.48

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Solution

The fourth proportional to 20,100.70, 30,141.44 and 9,007.48 is: 13,506.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100.70 : 30,141.44 = 9,007.48 : x
  2. Step 2: Convert to fraction form
    20,100.70/30,141.44 = 9,007.48/x
  3. Step 3: Cross multiply
    20,100.70x = 30,141.44 × 9,007.48
  4. Step 4: Simplify right side
    20,100.70x = 271,498,417.97
  5. Step 5: Solve for x
    x = 271,498,417.97/20,100.70
  6. Step 6: Final answer
    x = 13,506.91

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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.