Home / 20,212.02-27,893.45-11,259.54

Finding the Fourth Proportional to 20,212.02, 27,893.45 and 11,259.54

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Solution

The fourth proportional to 20,212.02, 27,893.45 and 11,259.54 is: 15,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212.02 : 27,893.45 = 11,259.54 : x
  2. Step 2: Convert to fraction form
    20,212.02/27,893.45 = 11,259.54/x
  3. Step 3: Cross multiply
    20,212.02x = 27,893.45 × 11,259.54
  4. Step 4: Simplify right side
    20,212.02x = 314,067,416.01
  5. Step 5: Solve for x
    x = 314,067,416.01/20,212.02
  6. Step 6: Final answer
    x = 15,538.65

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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.