Home / 19,390.32-29,082.31-6,908.49

Finding the Fourth Proportional to 19,390.32, 29,082.31 and 6,908.49

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Solution

The fourth proportional to 19,390.32, 29,082.31 and 6,908.49 is: 10,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.32 : 29,082.31 = 6,908.49 : x
  2. Step 2: Convert to fraction form
    19,390.32/29,082.31 = 6,908.49/x
  3. Step 3: Cross multiply
    19,390.32x = 29,082.31 × 6,908.49
  4. Step 4: Simplify right side
    19,390.32x = 200,914,830.54
  5. Step 5: Solve for x
    x = 200,914,830.54/19,390.32
  6. Step 6: Final answer
    x = 10,361.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.