Home / 12,170.06-16,794.45-6,864.87

Finding the Fourth Proportional to 12,170.06, 16,794.45 and 6,864.87

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Solution

The fourth proportional to 12,170.06, 16,794.45 and 6,864.87 is: 9,473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.06 : 16,794.45 = 6,864.87 : x
  2. Step 2: Convert to fraction form
    12,170.06/16,794.45 = 6,864.87/x
  3. Step 3: Cross multiply
    12,170.06x = 16,794.45 × 6,864.87
  4. Step 4: Simplify right side
    12,170.06x = 115,291,715.97
  5. Step 5: Solve for x
    x = 115,291,715.97/12,170.06
  6. Step 6: Final answer
    x = 9,473.39

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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.