Home / 12,192.17-16,825.28-6,887.48

Finding the Fourth Proportional to 12,192.17, 16,825.28 and 6,887.48

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Solution

The fourth proportional to 12,192.17, 16,825.28 and 6,887.48 is: 9,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.17 : 16,825.28 = 6,887.48 : x
  2. Step 2: Convert to fraction form
    12,192.17/16,825.28 = 6,887.48/x
  3. Step 3: Cross multiply
    12,192.17x = 16,825.28 × 6,887.48
  4. Step 4: Simplify right side
    12,192.17x = 115,883,660.93
  5. Step 5: Solve for x
    x = 115,883,660.93/12,192.17
  6. Step 6: Final answer
    x = 9,504.76

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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.