Home / 21,268.45-29,350.17-11,837.01

Finding the Fourth Proportional to 21,268.45, 29,350.17 and 11,837.01

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Solution

The fourth proportional to 21,268.45, 29,350.17 and 11,837.01 is: 16,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,268.45 : 29,350.17 = 11,837.01 : x
  2. Step 2: Convert to fraction form
    21,268.45/29,350.17 = 11,837.01/x
  3. Step 3: Cross multiply
    21,268.45x = 29,350.17 × 11,837.01
  4. Step 4: Simplify right side
    21,268.45x = 347,418,255.79
  5. Step 5: Solve for x
    x = 347,418,255.79/21,268.45
  6. Step 6: Final answer
    x = 16,334.91

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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.