Home / 20,070.08-30,106.56-6,922.26

Finding the Fourth Proportional to 20,070.08, 30,106.56 and 6,922.26

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Solution

The fourth proportional to 20,070.08, 30,106.56 and 6,922.26 is: 10,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.08 : 30,106.56 = 6,922.26 : x
  2. Step 2: Convert to fraction form
    20,070.08/30,106.56 = 6,922.26/x
  3. Step 3: Cross multiply
    20,070.08x = 30,106.56 × 6,922.26
  4. Step 4: Simplify right side
    20,070.08x = 208,405,250.88
  5. Step 5: Solve for x
    x = 208,405,250.88/20,070.08
  6. Step 6: Final answer
    x = 10,383.88

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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.