Home / 10,604.32-15,908-3,679.36

Finding the Fourth Proportional to 10,604.32, 15,908 and 3,679.36

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Solution

The fourth proportional to 10,604.32, 15,908 and 3,679.36 is: 5,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.32 : 15,908 = 3,679.36 : x
  2. Step 2: Convert to fraction form
    10,604.32/15,908 = 3,679.36/x
  3. Step 3: Cross multiply
    10,604.32x = 15,908 × 3,679.36
  4. Step 4: Simplify right side
    10,604.32x = 58,531,258.88
  5. Step 5: Solve for x
    x = 58,531,258.88/10,604.32
  6. Step 6: Final answer
    x = 5,519.57

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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.