Home / 12,179.25-16,808.09-6,801.69

Finding the Fourth Proportional to 12,179.25, 16,808.09 and 6,801.69

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Solution

The fourth proportional to 12,179.25, 16,808.09 and 6,801.69 is: 9,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.25 : 16,808.09 = 6,801.69 : x
  2. Step 2: Convert to fraction form
    12,179.25/16,808.09 = 6,801.69/x
  3. Step 3: Cross multiply
    12,179.25x = 16,808.09 × 6,801.69
  4. Step 4: Simplify right side
    12,179.25x = 114,323,417.67
  5. Step 5: Solve for x
    x = 114,323,417.67/12,179.25
  6. Step 6: Final answer
    x = 9,386.74

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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.