Home / 21,202.42-29,258.03-11,642.27

Finding the Fourth Proportional to 21,202.42, 29,258.03 and 11,642.27

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Solution

The fourth proportional to 21,202.42, 29,258.03 and 11,642.27 is: 16,065.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,202.42 : 29,258.03 = 11,642.27 : x
  2. Step 2: Convert to fraction form
    21,202.42/29,258.03 = 11,642.27/x
  3. Step 3: Cross multiply
    21,202.42x = 29,258.03 × 11,642.27
  4. Step 4: Simplify right side
    21,202.42x = 340,629,720.83
  5. Step 5: Solve for x
    x = 340,629,720.83/21,202.42
  6. Step 6: Final answer
    x = 16,065.61

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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.