Home / 12,183.39-16,810.20-6,877.17

Finding the Fourth Proportional to 12,183.39, 16,810.20 and 6,877.17

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Solution

The fourth proportional to 12,183.39, 16,810.20 and 6,877.17 is: 9,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.39 : 16,810.20 = 6,877.17 : x
  2. Step 2: Convert to fraction form
    12,183.39/16,810.20 = 6,877.17/x
  3. Step 3: Cross multiply
    12,183.39x = 16,810.20 × 6,877.17
  4. Step 4: Simplify right side
    12,183.39x = 115,606,603.13
  5. Step 5: Solve for x
    x = 115,606,603.13/12,183.39
  6. Step 6: Final answer
    x = 9,488.87

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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.