Home / 21,232.53-29,301.35-11,800.89

Finding the Fourth Proportional to 21,232.53, 29,301.35 and 11,800.89

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Solution

The fourth proportional to 21,232.53, 29,301.35 and 11,800.89 is: 16,285.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.53 : 29,301.35 = 11,800.89 : x
  2. Step 2: Convert to fraction form
    21,232.53/29,301.35 = 11,800.89/x
  3. Step 3: Cross multiply
    21,232.53x = 29,301.35 × 11,800.89
  4. Step 4: Simplify right side
    21,232.53x = 345,781,949.20
  5. Step 5: Solve for x
    x = 345,781,949.20/21,232.53
  6. Step 6: Final answer
    x = 16,285.48

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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.