Home / 21,032.01-31,568.88-11,171.37

Finding the Fourth Proportional to 21,032.01, 31,568.88 and 11,171.37

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Solution

The fourth proportional to 21,032.01, 31,568.88 and 11,171.37 is: 16,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.01 : 31,568.88 = 11,171.37 : x
  2. Step 2: Convert to fraction form
    21,032.01/31,568.88 = 11,171.37/x
  3. Step 3: Cross multiply
    21,032.01x = 31,568.88 × 11,171.37
  4. Step 4: Simplify right side
    21,032.01x = 352,667,638.97
  5. Step 5: Solve for x
    x = 352,667,638.97/21,032.01
  6. Step 6: Final answer
    x = 16,768.14

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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.