Home / 20,111.22-30,170.88-6,963.30

Finding the Fourth Proportional to 20,111.22, 30,170.88 and 6,963.30

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Solution

The fourth proportional to 20,111.22, 30,170.88 and 6,963.30 is: 10,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111.22 : 30,170.88 = 6,963.30 : x
  2. Step 2: Convert to fraction form
    20,111.22/30,170.88 = 6,963.30/x
  3. Step 3: Cross multiply
    20,111.22x = 30,170.88 × 6,963.30
  4. Step 4: Simplify right side
    20,111.22x = 210,088,888.70
  5. Step 5: Solve for x
    x = 210,088,888.70/20,111.22
  6. Step 6: Final answer
    x = 10,446.35

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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.