Home / 12,170.97-16,795.15-6,864.76

Finding the Fourth Proportional to 12,170.97, 16,795.15 and 6,864.76

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Solution

The fourth proportional to 12,170.97, 16,795.15 and 6,864.76 is: 9,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.97 : 16,795.15 = 6,864.76 : x
  2. Step 2: Convert to fraction form
    12,170.97/16,795.15 = 6,864.76/x
  3. Step 3: Cross multiply
    12,170.97x = 16,795.15 × 6,864.76
  4. Step 4: Simplify right side
    12,170.97x = 115,294,673.91
  5. Step 5: Solve for x
    x = 115,294,673.91/12,170.97
  6. Step 6: Final answer
    x = 9,472.92

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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.