Home / 19,902.23-27,464.78-10,949.20

Finding the Fourth Proportional to 19,902.23, 27,464.78 and 10,949.20

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Solution

The fourth proportional to 19,902.23, 27,464.78 and 10,949.20 is: 15,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.23 : 27,464.78 = 10,949.20 : x
  2. Step 2: Convert to fraction form
    19,902.23/27,464.78 = 10,949.20/x
  3. Step 3: Cross multiply
    19,902.23x = 27,464.78 × 10,949.20
  4. Step 4: Simplify right side
    19,902.23x = 300,717,369.18
  5. Step 5: Solve for x
    x = 300,717,369.18/19,902.23
  6. Step 6: Final answer
    x = 15,109.73

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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.