Home / 21,196.53-29,251.57-11,637.30

Finding the Fourth Proportional to 21,196.53, 29,251.57 and 11,637.30

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Solution

The fourth proportional to 21,196.53, 29,251.57 and 11,637.30 is: 16,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,196.53 : 29,251.57 = 11,637.30 : x
  2. Step 2: Convert to fraction form
    21,196.53/29,251.57 = 11,637.30/x
  3. Step 3: Cross multiply
    21,196.53x = 29,251.57 × 11,637.30
  4. Step 4: Simplify right side
    21,196.53x = 340,409,383.24
  5. Step 5: Solve for x
    x = 340,409,383.24/21,196.53
  6. Step 6: Final answer
    x = 16,059.68

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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.