Home / 15,992.43-22,086.77-12,174.87

Finding the Fourth Proportional to 15,992.43, 22,086.77 and 12,174.87

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Solution

The fourth proportional to 15,992.43, 22,086.77 and 12,174.87 is: 16,814.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.43 : 22,086.77 = 12,174.87 : x
  2. Step 2: Convert to fraction form
    15,992.43/22,086.77 = 12,174.87/x
  3. Step 3: Cross multiply
    15,992.43x = 22,086.77 × 12,174.87
  4. Step 4: Simplify right side
    15,992.43x = 268,903,492.60
  5. Step 5: Solve for x
    x = 268,903,492.60/15,992.43
  6. Step 6: Final answer
    x = 16,814.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.