Home / 10,195.97-15,297.80-6,939.77

Finding the Fourth Proportional to 10,195.97, 15,297.80 and 6,939.77

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Solution

The fourth proportional to 10,195.97, 15,297.80 and 6,939.77 is: 10,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.97 : 15,297.80 = 6,939.77 : x
  2. Step 2: Convert to fraction form
    10,195.97/15,297.80 = 6,939.77/x
  3. Step 3: Cross multiply
    10,195.97x = 15,297.80 × 6,939.77
  4. Step 4: Simplify right side
    10,195.97x = 106,163,102.32
  5. Step 5: Solve for x
    x = 106,163,102.32/10,195.97
  6. Step 6: Final answer
    x = 10,412.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.