Home / 21,024.41-29,013.32-11,464.38

Finding the Fourth Proportional to 21,024.41, 29,013.32 and 11,464.38

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Solution

The fourth proportional to 21,024.41, 29,013.32 and 11,464.38 is: 15,820.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024.41 : 29,013.32 = 11,464.38 : x
  2. Step 2: Convert to fraction form
    21,024.41/29,013.32 = 11,464.38/x
  3. Step 3: Cross multiply
    21,024.41x = 29,013.32 × 11,464.38
  4. Step 4: Simplify right side
    21,024.41x = 332,619,725.54
  5. Step 5: Solve for x
    x = 332,619,725.54/21,024.41
  6. Step 6: Final answer
    x = 15,820.64

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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.