Home / 19,902.07-27,465.78-10,949.41

Finding the Fourth Proportional to 19,902.07, 27,465.78 and 10,949.41

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Solution

The fourth proportional to 19,902.07, 27,465.78 and 10,949.41 is: 15,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.07 : 27,465.78 = 10,949.41 : x
  2. Step 2: Convert to fraction form
    19,902.07/27,465.78 = 10,949.41/x
  3. Step 3: Cross multiply
    19,902.07x = 27,465.78 × 10,949.41
  4. Step 4: Simplify right side
    19,902.07x = 300,734,086.19
  5. Step 5: Solve for x
    x = 300,734,086.19/19,902.07
  6. Step 6: Final answer
    x = 15,110.69

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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.