Home / 21,943.96-32,911.62-8,089.72

Finding the Fourth Proportional to 21,943.96, 32,911.62 and 8,089.72

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Solution

The fourth proportional to 21,943.96, 32,911.62 and 8,089.72 is: 12,132.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,943.96 : 32,911.62 = 8,089.72 : x
  2. Step 2: Convert to fraction form
    21,943.96/32,911.62 = 8,089.72/x
  3. Step 3: Cross multiply
    21,943.96x = 32,911.62 × 8,089.72
  4. Step 4: Simplify right side
    21,943.96x = 266,245,790.55
  5. Step 5: Solve for x
    x = 266,245,790.55/21,943.96
  6. Step 6: Final answer
    x = 12,132.99

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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.