Home / 20,204.64-27,893.97-13,501.62

Finding the Fourth Proportional to 20,204.64, 27,893.97 and 13,501.62

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Solution

The fourth proportional to 20,204.64, 27,893.97 and 13,501.62 is: 18,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.64 : 27,893.97 = 13,501.62 : x
  2. Step 2: Convert to fraction form
    20,204.64/27,893.97 = 13,501.62/x
  3. Step 3: Cross multiply
    20,204.64x = 27,893.97 × 13,501.62
  4. Step 4: Simplify right side
    20,204.64x = 376,613,783.23
  5. Step 5: Solve for x
    x = 376,613,783.23/20,204.64
  6. Step 6: Final answer
    x = 18,639.97

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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.