Home / 10,278.19-15,408.03-3,699.75

Finding the Fourth Proportional to 10,278.19, 15,408.03 and 3,699.75

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Solution

The fourth proportional to 10,278.19, 15,408.03 and 3,699.75 is: 5,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.19 : 15,408.03 = 3,699.75 : x
  2. Step 2: Convert to fraction form
    10,278.19/15,408.03 = 3,699.75/x
  3. Step 3: Cross multiply
    10,278.19x = 15,408.03 × 3,699.75
  4. Step 4: Simplify right side
    10,278.19x = 57,005,872.87
  5. Step 5: Solve for x
    x = 57,005,872.87/10,278.19
  6. Step 6: Final answer
    x = 5,546.30

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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.