Home / 21,452.43-29,602.86-11,892.23

Finding the Fourth Proportional to 21,452.43, 29,602.86 and 11,892.23

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Solution

The fourth proportional to 21,452.43, 29,602.86 and 11,892.23 is: 16,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452.43 : 29,602.86 = 11,892.23 : x
  2. Step 2: Convert to fraction form
    21,452.43/29,602.86 = 11,892.23/x
  3. Step 3: Cross multiply
    21,452.43x = 29,602.86 × 11,892.23
  4. Step 4: Simplify right side
    21,452.43x = 352,043,975.50
  5. Step 5: Solve for x
    x = 352,043,975.50/21,452.43
  6. Step 6: Final answer
    x = 16,410.45

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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.