Home / 10,318.42-15,485.15-3,745.14

Finding the Fourth Proportional to 10,318.42, 15,485.15 and 3,745.14

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Solution

The fourth proportional to 10,318.42, 15,485.15 and 3,745.14 is: 5,620.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.42 : 15,485.15 = 3,745.14 : x
  2. Step 2: Convert to fraction form
    10,318.42/15,485.15 = 3,745.14/x
  3. Step 3: Cross multiply
    10,318.42x = 15,485.15 × 3,745.14
  4. Step 4: Simplify right side
    10,318.42x = 57,994,054.67
  5. Step 5: Solve for x
    x = 57,994,054.67/10,318.42
  6. Step 6: Final answer
    x = 5,620.44

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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.