Home / 20,817.42-31,226.13-6,967.50

Finding the Fourth Proportional to 20,817.42, 31,226.13 and 6,967.50

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Solution

The fourth proportional to 20,817.42, 31,226.13 and 6,967.50 is: 10,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,817.42 : 31,226.13 = 6,967.50 : x
  2. Step 2: Convert to fraction form
    20,817.42/31,226.13 = 6,967.50/x
  3. Step 3: Cross multiply
    20,817.42x = 31,226.13 × 6,967.50
  4. Step 4: Simplify right side
    20,817.42x = 217,568,060.78
  5. Step 5: Solve for x
    x = 217,568,060.78/20,817.42
  6. Step 6: Final answer
    x = 10,451.25

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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.