Home / 12,182.12-16,809.90-6,876.44

Finding the Fourth Proportional to 12,182.12, 16,809.90 and 6,876.44

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Solution

The fourth proportional to 12,182.12, 16,809.90 and 6,876.44 is: 9,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.12 : 16,809.90 = 6,876.44 : x
  2. Step 2: Convert to fraction form
    12,182.12/16,809.90 = 6,876.44/x
  3. Step 3: Cross multiply
    12,182.12x = 16,809.90 × 6,876.44
  4. Step 4: Simplify right side
    12,182.12x = 115,592,268.76
  5. Step 5: Solve for x
    x = 115,592,268.76/12,182.12
  6. Step 6: Final answer
    x = 9,488.68

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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.