Home / 12,250.36-16,905.60-6,661.36

Finding the Fourth Proportional to 12,250.36, 16,905.60 and 6,661.36

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Solution

The fourth proportional to 12,250.36, 16,905.60 and 6,661.36 is: 9,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.36 : 16,905.60 = 6,661.36 : x
  2. Step 2: Convert to fraction form
    12,250.36/16,905.60 = 6,661.36/x
  3. Step 3: Cross multiply
    12,250.36x = 16,905.60 × 6,661.36
  4. Step 4: Simplify right side
    12,250.36x = 112,614,287.62
  5. Step 5: Solve for x
    x = 112,614,287.62/12,250.36
  6. Step 6: Final answer
    x = 9,192.73

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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.