Home / 21,847.24-32,767.62-7,993

Finding the Fourth Proportional to 21,847.24, 32,767.62 and 7,993

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Solution

The fourth proportional to 21,847.24, 32,767.62 and 7,993 is: 11,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,847.24 : 32,767.62 = 7,993 : x
  2. Step 2: Convert to fraction form
    21,847.24/32,767.62 = 7,993/x
  3. Step 3: Cross multiply
    21,847.24x = 32,767.62 × 7,993
  4. Step 4: Simplify right side
    21,847.24x = 261,911,586.66
  5. Step 5: Solve for x
    x = 261,911,586.66/21,847.24
  6. Step 6: Final answer
    x = 11,988.31

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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.