Home / 12,773.26-17,627.51-7,991.67

Finding the Fourth Proportional to 12,773.26, 17,627.51 and 7,991.67

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Solution

The fourth proportional to 12,773.26, 17,627.51 and 7,991.67 is: 11,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.26 : 17,627.51 = 7,991.67 : x
  2. Step 2: Convert to fraction form
    12,773.26/17,627.51 = 7,991.67/x
  3. Step 3: Cross multiply
    12,773.26x = 17,627.51 × 7,991.67
  4. Step 4: Simplify right side
    12,773.26x = 140,873,328.92
  5. Step 5: Solve for x
    x = 140,873,328.92/12,773.26
  6. Step 6: Final answer
    x = 11,028.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.