Home / 12,552.44-17,321.78-6,887.06

Finding the Fourth Proportional to 12,552.44, 17,321.78 and 6,887.06

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Solution

The fourth proportional to 12,552.44, 17,321.78 and 6,887.06 is: 9,503.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.44 : 17,321.78 = 6,887.06 : x
  2. Step 2: Convert to fraction form
    12,552.44/17,321.78 = 6,887.06/x
  3. Step 3: Cross multiply
    12,552.44x = 17,321.78 × 6,887.06
  4. Step 4: Simplify right side
    12,552.44x = 119,296,138.17
  5. Step 5: Solve for x
    x = 119,296,138.17/12,552.44
  6. Step 6: Final answer
    x = 9,503.82

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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.