Home / 21,025.21-29,013.31-11,593.57

Finding the Fourth Proportional to 21,025.21, 29,013.31 and 11,593.57

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Solution

The fourth proportional to 21,025.21, 29,013.31 and 11,593.57 is: 15,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025.21 : 29,013.31 = 11,593.57 : x
  2. Step 2: Convert to fraction form
    21,025.21/29,013.31 = 11,593.57/x
  3. Step 3: Cross multiply
    21,025.21x = 29,013.31 × 11,593.57
  4. Step 4: Simplify right side
    21,025.21x = 336,367,840.42
  5. Step 5: Solve for x
    x = 336,367,840.42/21,025.21
  6. Step 6: Final answer
    x = 15,998.31

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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.