Home / 20,883.98-31,327.34-6,091.66

Finding the Fourth Proportional to 20,883.98, 31,327.34 and 6,091.66

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Solution

The fourth proportional to 20,883.98, 31,327.34 and 6,091.66 is: 9,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883.98 : 31,327.34 = 6,091.66 : x
  2. Step 2: Convert to fraction form
    20,883.98/31,327.34 = 6,091.66/x
  3. Step 3: Cross multiply
    20,883.98x = 31,327.34 × 6,091.66
  4. Step 4: Simplify right side
    20,883.98x = 190,835,395.21
  5. Step 5: Solve for x
    x = 190,835,395.21/20,883.98
  6. Step 6: Final answer
    x = 9,137.89

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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.