Home / 8,745.42-13,097.65-6,115.56

Finding the Fourth Proportional to 8,745.42, 13,097.65 and 6,115.56

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Solution

The fourth proportional to 8,745.42, 13,097.65 and 6,115.56 is: 9,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.42 : 13,097.65 = 6,115.56 : x
  2. Step 2: Convert to fraction form
    8,745.42/13,097.65 = 6,115.56/x
  3. Step 3: Cross multiply
    8,745.42x = 13,097.65 × 6,115.56
  4. Step 4: Simplify right side
    8,745.42x = 80,099,464.43
  5. Step 5: Solve for x
    x = 80,099,464.43/8,745.42
  6. Step 6: Final answer
    x = 9,159.02

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1.5x scale

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.