Home / 11,812.36-17,705.82-4,310.92

Finding the Fourth Proportional to 11,812.36, 17,705.82 and 4,310.92

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Solution

The fourth proportional to 11,812.36, 17,705.82 and 4,310.92 is: 6,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.36 : 17,705.82 = 4,310.92 : x
  2. Step 2: Convert to fraction form
    11,812.36/17,705.82 = 4,310.92/x
  3. Step 3: Cross multiply
    11,812.36x = 17,705.82 × 4,310.92
  4. Step 4: Simplify right side
    11,812.36x = 76,328,373.55
  5. Step 5: Solve for x
    x = 76,328,373.55/11,812.36
  6. Step 6: Final answer
    x = 6,461.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.