Home / 11,476.25-17,211.20-3,154.28

Finding the Fourth Proportional to 11,476.25, 17,211.20 and 3,154.28

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Solution

The fourth proportional to 11,476.25, 17,211.20 and 3,154.28 is: 4,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,476.25 : 17,211.20 = 3,154.28 : x
  2. Step 2: Convert to fraction form
    11,476.25/17,211.20 = 3,154.28/x
  3. Step 3: Cross multiply
    11,476.25x = 17,211.20 × 3,154.28
  4. Step 4: Simplify right side
    11,476.25x = 54,288,971.19
  5. Step 5: Solve for x
    x = 54,288,971.19/11,476.25
  6. Step 6: Final answer
    x = 4,730.55

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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.