Home / 20,214.60-27,898.20-11,263.56

Finding the Fourth Proportional to 20,214.60, 27,898.20 and 11,263.56

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Solution

The fourth proportional to 20,214.60, 27,898.20 and 11,263.56 is: 15,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.60 : 27,898.20 = 11,263.56 : x
  2. Step 2: Convert to fraction form
    20,214.60/27,898.20 = 11,263.56/x
  3. Step 3: Cross multiply
    20,214.60x = 27,898.20 × 11,263.56
  4. Step 4: Simplify right side
    20,214.60x = 314,233,049.59
  5. Step 5: Solve for x
    x = 314,233,049.59/20,214.60
  6. Step 6: Final answer
    x = 15,544.86

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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.