Home / 12,183.36-16,810.92-6,878.04

Finding the Fourth Proportional to 12,183.36, 16,810.92 and 6,878.04

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Solution

The fourth proportional to 12,183.36, 16,810.92 and 6,878.04 is: 9,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.36 : 16,810.92 = 6,878.04 : x
  2. Step 2: Convert to fraction form
    12,183.36/16,810.92 = 6,878.04/x
  3. Step 3: Cross multiply
    12,183.36x = 16,810.92 × 6,878.04
  4. Step 4: Simplify right side
    12,183.36x = 115,626,180.20
  5. Step 5: Solve for x
    x = 115,626,180.20/12,183.36
  6. Step 6: Final answer
    x = 9,490.50

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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.