Home / 12,127.31-16,735.57-6,822.16

Finding the Fourth Proportional to 12,127.31, 16,735.57 and 6,822.16

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Solution

The fourth proportional to 12,127.31, 16,735.57 and 6,822.16 is: 9,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.31 : 16,735.57 = 6,822.16 : x
  2. Step 2: Convert to fraction form
    12,127.31/16,735.57 = 6,822.16/x
  3. Step 3: Cross multiply
    12,127.31x = 16,735.57 × 6,822.16
  4. Step 4: Simplify right side
    12,127.31x = 114,172,736.23
  5. Step 5: Solve for x
    x = 114,172,736.23/12,127.31
  6. Step 6: Final answer
    x = 9,414.51

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Double scale
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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.