Home / 11,946.53-17,920.20-3,182.33

Finding the Fourth Proportional to 11,946.53, 17,920.20 and 3,182.33

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Solution

The fourth proportional to 11,946.53, 17,920.20 and 3,182.33 is: 4,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.53 : 17,920.20 = 3,182.33 : x
  2. Step 2: Convert to fraction form
    11,946.53/17,920.20 = 3,182.33/x
  3. Step 3: Cross multiply
    11,946.53x = 17,920.20 × 3,182.33
  4. Step 4: Simplify right side
    11,946.53x = 57,027,990.07
  5. Step 5: Solve for x
    x = 57,027,990.07/11,946.53
  6. Step 6: Final answer
    x = 4,773.60

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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.