Home / 21,933.89-32,913.79-8,092.61

Finding the Fourth Proportional to 21,933.89, 32,913.79 and 8,092.61

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Solution

The fourth proportional to 21,933.89, 32,913.79 and 8,092.61 is: 12,143.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933.89 : 32,913.79 = 8,092.61 : x
  2. Step 2: Convert to fraction form
    21,933.89/32,913.79 = 8,092.61/x
  3. Step 3: Cross multiply
    21,933.89x = 32,913.79 × 8,092.61
  4. Step 4: Simplify right side
    21,933.89x = 266,358,281.29
  5. Step 5: Solve for x
    x = 266,358,281.29/21,933.89
  6. Step 6: Final answer
    x = 12,143.69

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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.