Home / 12,179.32-16,807.50-6,801.74

Finding the Fourth Proportional to 12,179.32, 16,807.50 and 6,801.74

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Solution

The fourth proportional to 12,179.32, 16,807.50 and 6,801.74 is: 9,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.32 : 16,807.50 = 6,801.74 : x
  2. Step 2: Convert to fraction form
    12,179.32/16,807.50 = 6,801.74/x
  3. Step 3: Cross multiply
    12,179.32x = 16,807.50 × 6,801.74
  4. Step 4: Simplify right side
    12,179.32x = 114,320,245.05
  5. Step 5: Solve for x
    x = 114,320,245.05/12,179.32
  6. Step 6: Final answer
    x = 9,386.42

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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.