Home / 20,110.86-27,752.94-12,151.62

Finding the Fourth Proportional to 20,110.86, 27,752.94 and 12,151.62

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Solution

The fourth proportional to 20,110.86, 27,752.94 and 12,151.62 is: 16,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.86 : 27,752.94 = 12,151.62 : x
  2. Step 2: Convert to fraction form
    20,110.86/27,752.94 = 12,151.62/x
  3. Step 3: Cross multiply
    20,110.86x = 27,752.94 × 12,151.62
  4. Step 4: Simplify right side
    20,110.86x = 337,243,180.76
  5. Step 5: Solve for x
    x = 337,243,180.76/20,110.86
  6. Step 6: Final answer
    x = 16,769.21

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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.