Home / 12,177.72-16,805.25-6,872.52

Finding the Fourth Proportional to 12,177.72, 16,805.25 and 6,872.52

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Solution

The fourth proportional to 12,177.72, 16,805.25 and 6,872.52 is: 9,484.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.72 : 16,805.25 = 6,872.52 : x
  2. Step 2: Convert to fraction form
    12,177.72/16,805.25 = 6,872.52/x
  3. Step 3: Cross multiply
    12,177.72x = 16,805.25 × 6,872.52
  4. Step 4: Simplify right side
    12,177.72x = 115,494,416.73
  5. Step 5: Solve for x
    x = 115,494,416.73/12,177.72
  6. Step 6: Final answer
    x = 9,484.08

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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.