Home / 11,876.02-17,815.04-3,110.91

Finding the Fourth Proportional to 11,876.02, 17,815.04 and 3,110.91

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Solution

The fourth proportional to 11,876.02, 17,815.04 and 3,110.91 is: 4,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.02 : 17,815.04 = 3,110.91 : x
  2. Step 2: Convert to fraction form
    11,876.02/17,815.04 = 3,110.91/x
  3. Step 3: Cross multiply
    11,876.02x = 17,815.04 × 3,110.91
  4. Step 4: Simplify right side
    11,876.02x = 55,420,915.39
  5. Step 5: Solve for x
    x = 55,420,915.39/11,876.02
  6. Step 6: Final answer
    x = 4,666.62

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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.