Home / 20,214.52-27,893.80-11,261.32

Finding the Fourth Proportional to 20,214.52, 27,893.80 and 11,261.32

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Solution

The fourth proportional to 20,214.52, 27,893.80 and 11,261.32 is: 15,539.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.52 : 27,893.80 = 11,261.32 : x
  2. Step 2: Convert to fraction form
    20,214.52/27,893.80 = 11,261.32/x
  3. Step 3: Cross multiply
    20,214.52x = 27,893.80 × 11,261.32
  4. Step 4: Simplify right side
    20,214.52x = 314,121,007.82
  5. Step 5: Solve for x
    x = 314,121,007.82/20,214.52
  6. Step 6: Final answer
    x = 15,539.38

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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.