Home / 20,056.70-27,677.43-11,103.66

Finding the Fourth Proportional to 20,056.70, 27,677.43 and 11,103.66

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Solution

The fourth proportional to 20,056.70, 27,677.43 and 11,103.66 is: 15,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.70 : 27,677.43 = 11,103.66 : x
  2. Step 2: Convert to fraction form
    20,056.70/27,677.43 = 11,103.66/x
  3. Step 3: Cross multiply
    20,056.70x = 27,677.43 × 11,103.66
  4. Step 4: Simplify right side
    20,056.70x = 307,320,772.39
  5. Step 5: Solve for x
    x = 307,320,772.39/20,056.70
  6. Step 6: Final answer
    x = 15,322.60

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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.