Home / 11,922.19-17,883.28-3,157.18

Finding the Fourth Proportional to 11,922.19, 17,883.28 and 3,157.18

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Solution

The fourth proportional to 11,922.19, 17,883.28 and 3,157.18 is: 4,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.19 : 17,883.28 = 3,157.18 : x
  2. Step 2: Convert to fraction form
    11,922.19/17,883.28 = 3,157.18/x
  3. Step 3: Cross multiply
    11,922.19x = 17,883.28 × 3,157.18
  4. Step 4: Simplify right side
    11,922.19x = 56,460,693.19
  5. Step 5: Solve for x
    x = 56,460,693.19/11,922.19
  6. Step 6: Final answer
    x = 4,735.77

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Similar ratio
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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.