Home / 19,906.12-27,470.56-10,954.56

Finding the Fourth Proportional to 19,906.12, 27,470.56 and 10,954.56

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Solution

The fourth proportional to 19,906.12, 27,470.56 and 10,954.56 is: 15,117.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.12 : 27,470.56 = 10,954.56 : x
  2. Step 2: Convert to fraction form
    19,906.12/27,470.56 = 10,954.56/x
  3. Step 3: Cross multiply
    19,906.12x = 27,470.56 × 10,954.56
  4. Step 4: Simplify right side
    19,906.12x = 300,927,897.75
  5. Step 5: Solve for x
    x = 300,927,897.75/19,906.12
  6. Step 6: Final answer
    x = 15,117.36

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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.