Home / 20,227.74-27,914.34-11,731.50

Finding the Fourth Proportional to 20,227.74, 27,914.34 and 11,731.50

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Solution

The fourth proportional to 20,227.74, 27,914.34 and 11,731.50 is: 16,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.74 : 27,914.34 = 11,731.50 : x
  2. Step 2: Convert to fraction form
    20,227.74/27,914.34 = 11,731.50/x
  3. Step 3: Cross multiply
    20,227.74x = 27,914.34 × 11,731.50
  4. Step 4: Simplify right side
    20,227.74x = 327,477,079.71
  5. Step 5: Solve for x
    x = 327,477,079.71/20,227.74
  6. Step 6: Final answer
    x = 16,189.50

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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.