Home / 21,629.13-32,443.70-11,773.05

Finding the Fourth Proportional to 21,629.13, 32,443.70 and 11,773.05

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Solution

The fourth proportional to 21,629.13, 32,443.70 and 11,773.05 is: 17,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629.13 : 32,443.70 = 11,773.05 : x
  2. Step 2: Convert to fraction form
    21,629.13/32,443.70 = 11,773.05/x
  3. Step 3: Cross multiply
    21,629.13x = 32,443.70 × 11,773.05
  4. Step 4: Simplify right side
    21,629.13x = 381,961,243.42
  5. Step 5: Solve for x
    x = 381,961,243.42/21,629.13
  6. Step 6: Final answer
    x = 17,659.58

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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.