Home / 19,906.31-27,471.14-10,954.28

Finding the Fourth Proportional to 19,906.31, 27,471.14 and 10,954.28

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Solution

The fourth proportional to 19,906.31, 27,471.14 and 10,954.28 is: 15,117.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.31 : 27,471.14 = 10,954.28 : x
  2. Step 2: Convert to fraction form
    19,906.31/27,471.14 = 10,954.28/x
  3. Step 3: Cross multiply
    19,906.31x = 27,471.14 × 10,954.28
  4. Step 4: Simplify right side
    19,906.31x = 300,926,367.35
  5. Step 5: Solve for x
    x = 300,926,367.35/19,906.31
  6. Step 6: Final answer
    x = 15,117.14

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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.