Home / 12,164.19-16,784.71-6,857.97

Finding the Fourth Proportional to 12,164.19, 16,784.71 and 6,857.97

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Solution

The fourth proportional to 12,164.19, 16,784.71 and 6,857.97 is: 9,462.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.19 : 16,784.71 = 6,857.97 : x
  2. Step 2: Convert to fraction form
    12,164.19/16,784.71 = 6,857.97/x
  3. Step 3: Cross multiply
    12,164.19x = 16,784.71 × 6,857.97
  4. Step 4: Simplify right side
    12,164.19x = 115,109,037.64
  5. Step 5: Solve for x
    x = 115,109,037.64/12,164.19
  6. Step 6: Final answer
    x = 9,462.94

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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.