Home / 11,028.64-15,175.06-10,766.20

Finding the Fourth Proportional to 11,028.64, 15,175.06 and 10,766.20

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Solution

The fourth proportional to 11,028.64, 15,175.06 and 10,766.20 is: 14,813.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.64 : 15,175.06 = 10,766.20 : x
  2. Step 2: Convert to fraction form
    11,028.64/15,175.06 = 10,766.20/x
  3. Step 3: Cross multiply
    11,028.64x = 15,175.06 × 10,766.20
  4. Step 4: Simplify right side
    11,028.64x = 163,377,730.97
  5. Step 5: Solve for x
    x = 163,377,730.97/11,028.64
  6. Step 6: Final answer
    x = 14,813.95

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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.