Home / 11,972.36-17,961.60-11,774

Finding the Fourth Proportional to 11,972.36, 17,961.60 and 11,774

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Solution

The fourth proportional to 11,972.36, 17,961.60 and 11,774 is: 17,664.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.36 : 17,961.60 = 11,774 : x
  2. Step 2: Convert to fraction form
    11,972.36/17,961.60 = 11,774/x
  3. Step 3: Cross multiply
    11,972.36x = 17,961.60 × 11,774
  4. Step 4: Simplify right side
    11,972.36x = 211,479,878.40
  5. Step 5: Solve for x
    x = 211,479,878.40/11,972.36
  6. Step 6: Final answer
    x = 17,664.01

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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.