Home / 20,010.23-27,615.18-11,513.64

Finding the Fourth Proportional to 20,010.23, 27,615.18 and 11,513.64

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Solution

The fourth proportional to 20,010.23, 27,615.18 and 11,513.64 is: 15,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.23 : 27,615.18 = 11,513.64 : x
  2. Step 2: Convert to fraction form
    20,010.23/27,615.18 = 11,513.64/x
  3. Step 3: Cross multiply
    20,010.23x = 27,615.18 × 11,513.64
  4. Step 4: Simplify right side
    20,010.23x = 317,951,368.56
  5. Step 5: Solve for x
    x = 317,951,368.56/20,010.23
  6. Step 6: Final answer
    x = 15,889.44

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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.