Home / 14,119.11-21,261.17-10,447.17

Finding the Fourth Proportional to 14,119.11, 21,261.17 and 10,447.17

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Solution

The fourth proportional to 14,119.11, 21,261.17 and 10,447.17 is: 15,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.11 : 21,261.17 = 10,447.17 : x
  2. Step 2: Convert to fraction form
    14,119.11/21,261.17 = 10,447.17/x
  3. Step 3: Cross multiply
    14,119.11x = 21,261.17 × 10,447.17
  4. Step 4: Simplify right side
    14,119.11x = 222,119,005.15
  5. Step 5: Solve for x
    x = 222,119,005.15/14,119.11
  6. Step 6: Final answer
    x = 15,731.80

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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.