Home / 20,580.48-30,843.60-11,224.56

Finding the Fourth Proportional to 20,580.48, 30,843.60 and 11,224.56

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Solution

The fourth proportional to 20,580.48, 30,843.60 and 11,224.56 is: 16,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,580.48 : 30,843.60 = 11,224.56 : x
  2. Step 2: Convert to fraction form
    20,580.48/30,843.60 = 11,224.56/x
  3. Step 3: Cross multiply
    20,580.48x = 30,843.60 × 11,224.56
  4. Step 4: Simplify right side
    20,580.48x = 346,205,838.82
  5. Step 5: Solve for x
    x = 346,205,838.82/20,580.48
  6. Step 6: Final answer
    x = 16,822.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.