Home / 20,033.80-30,055.62-6,886.36

Finding the Fourth Proportional to 20,033.80, 30,055.62 and 6,886.36

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Solution

The fourth proportional to 20,033.80, 30,055.62 and 6,886.36 is: 10,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.80 : 30,055.62 = 6,886.36 : x
  2. Step 2: Convert to fraction form
    20,033.80/30,055.62 = 6,886.36/x
  3. Step 3: Cross multiply
    20,033.80x = 30,055.62 × 6,886.36
  4. Step 4: Simplify right side
    20,033.80x = 206,973,819.34
  5. Step 5: Solve for x
    x = 206,973,819.34/20,033.80
  6. Step 6: Final answer
    x = 10,331.23

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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.