Home / 12,476.36-17,217.70-6,811.22

Finding the Fourth Proportional to 12,476.36, 17,217.70 and 6,811.22

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Solution

The fourth proportional to 12,476.36, 17,217.70 and 6,811.22 is: 9,399.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.36 : 17,217.70 = 6,811.22 : x
  2. Step 2: Convert to fraction form
    12,476.36/17,217.70 = 6,811.22/x
  3. Step 3: Cross multiply
    12,476.36x = 17,217.70 × 6,811.22
  4. Step 4: Simplify right side
    12,476.36x = 117,273,568.61
  5. Step 5: Solve for x
    x = 117,273,568.61/12,476.36
  6. Step 6: Final answer
    x = 9,399.66

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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.