Home / 21,093.38-29,108.04-11,533.34

Finding the Fourth Proportional to 21,093.38, 29,108.04 and 11,533.34

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Solution

The fourth proportional to 21,093.38, 29,108.04 and 11,533.34 is: 15,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,093.38 : 29,108.04 = 11,533.34 : x
  2. Step 2: Convert to fraction form
    21,093.38/29,108.04 = 11,533.34/x
  3. Step 3: Cross multiply
    21,093.38x = 29,108.04 × 11,533.34
  4. Step 4: Simplify right side
    21,093.38x = 335,712,922.05
  5. Step 5: Solve for x
    x = 335,712,922.05/21,093.38
  6. Step 6: Final answer
    x = 15,915.56

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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.