Home / 20,422.02-30,622.18-7,091.66

Finding the Fourth Proportional to 20,422.02, 30,622.18 and 7,091.66

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Solution

The fourth proportional to 20,422.02, 30,622.18 and 7,091.66 is: 10,633.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,422.02 : 30,622.18 = 7,091.66 : x
  2. Step 2: Convert to fraction form
    20,422.02/30,622.18 = 7,091.66/x
  3. Step 3: Cross multiply
    20,422.02x = 30,622.18 × 7,091.66
  4. Step 4: Simplify right side
    20,422.02x = 217,162,089.02
  5. Step 5: Solve for x
    x = 217,162,089.02/20,422.02
  6. Step 6: Final answer
    x = 10,633.72

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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.