Home / 20,177.96-27,845.17-11,225.27

Finding the Fourth Proportional to 20,177.96, 27,845.17 and 11,225.27

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Solution

The fourth proportional to 20,177.96, 27,845.17 and 11,225.27 is: 15,490.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.96 : 27,845.17 = 11,225.27 : x
  2. Step 2: Convert to fraction form
    20,177.96/27,845.17 = 11,225.27/x
  3. Step 3: Cross multiply
    20,177.96x = 27,845.17 × 11,225.27
  4. Step 4: Simplify right side
    20,177.96x = 312,569,495.32
  5. Step 5: Solve for x
    x = 312,569,495.32/20,177.96
  6. Step 6: Final answer
    x = 15,490.64

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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.