Home / 21,396.64-29,527.37-11,965.23

Finding the Fourth Proportional to 21,396.64, 29,527.37 and 11,965.23

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Solution

The fourth proportional to 21,396.64, 29,527.37 and 11,965.23 is: 16,512.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,396.64 : 29,527.37 = 11,965.23 : x
  2. Step 2: Convert to fraction form
    21,396.64/29,527.37 = 11,965.23/x
  3. Step 3: Cross multiply
    21,396.64x = 29,527.37 × 11,965.23
  4. Step 4: Simplify right side
    21,396.64x = 353,301,773.35
  5. Step 5: Solve for x
    x = 353,301,773.35/21,396.64
  6. Step 6: Final answer
    x = 16,512.02

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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.