Home / 20,801.75-31,201.40-6,010.34

Finding the Fourth Proportional to 20,801.75, 31,201.40 and 6,010.34

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Solution

The fourth proportional to 20,801.75, 31,201.40 and 6,010.34 is: 9,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801.75 : 31,201.40 = 6,010.34 : x
  2. Step 2: Convert to fraction form
    20,801.75/31,201.40 = 6,010.34/x
  3. Step 3: Cross multiply
    20,801.75x = 31,201.40 × 6,010.34
  4. Step 4: Simplify right side
    20,801.75x = 187,530,881.49
  5. Step 5: Solve for x
    x = 187,530,881.49/20,801.75
  6. Step 6: Final answer
    x = 9,015.15

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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.