Home / 12,127.98-16,735.28-6,822.71

Finding the Fourth Proportional to 12,127.98, 16,735.28 and 6,822.71

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Solution

The fourth proportional to 12,127.98, 16,735.28 and 6,822.71 is: 9,414.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.98 : 16,735.28 = 6,822.71 : x
  2. Step 2: Convert to fraction form
    12,127.98/16,735.28 = 6,822.71/x
  3. Step 3: Cross multiply
    12,127.98x = 16,735.28 × 6,822.71
  4. Step 4: Simplify right side
    12,127.98x = 114,179,844.42
  5. Step 5: Solve for x
    x = 114,179,844.42/12,127.98
  6. Step 6: Final answer
    x = 9,414.58

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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.