Home / 20,684.88-31,027.38-7,537.23

Finding the Fourth Proportional to 20,684.88, 31,027.38 and 7,537.23

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Solution

The fourth proportional to 20,684.88, 31,027.38 and 7,537.23 is: 11,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684.88 : 31,027.38 = 7,537.23 : x
  2. Step 2: Convert to fraction form
    20,684.88/31,027.38 = 7,537.23/x
  3. Step 3: Cross multiply
    20,684.88x = 31,027.38 × 7,537.23
  4. Step 4: Simplify right side
    20,684.88x = 233,860,499.36
  5. Step 5: Solve for x
    x = 233,860,499.36/20,684.88
  6. Step 6: Final answer
    x = 11,305.87

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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.