Home / 21,861.26-32,783.68-7,066.20

Finding the Fourth Proportional to 21,861.26, 32,783.68 and 7,066.20

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Solution

The fourth proportional to 21,861.26, 32,783.68 and 7,066.20 is: 10,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,861.26 : 32,783.68 = 7,066.20 : x
  2. Step 2: Convert to fraction form
    21,861.26/32,783.68 = 7,066.20/x
  3. Step 3: Cross multiply
    21,861.26x = 32,783.68 × 7,066.20
  4. Step 4: Simplify right side
    21,861.26x = 231,656,004.29
  5. Step 5: Solve for x
    x = 231,656,004.29/21,861.26
  6. Step 6: Final answer
    x = 10,596.65

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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.