Home / 14,119.25-21,261.42-10,447.34

Finding the Fourth Proportional to 14,119.25, 21,261.42 and 10,447.34

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Solution

The fourth proportional to 14,119.25, 21,261.42 and 10,447.34 is: 15,732.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.25 : 21,261.42 = 10,447.34 : x
  2. Step 2: Convert to fraction form
    14,119.25/21,261.42 = 10,447.34/x
  3. Step 3: Cross multiply
    14,119.25x = 21,261.42 × 10,447.34
  4. Step 4: Simplify right side
    14,119.25x = 222,125,177.32
  5. Step 5: Solve for x
    x = 222,125,177.32/14,119.25
  6. Step 6: Final answer
    x = 15,732.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.