Home / 9,135.60-13,697.28-4,198.56

Finding the Fourth Proportional to 9,135.60, 13,697.28 and 4,198.56

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Solution

The fourth proportional to 9,135.60, 13,697.28 and 4,198.56 is: 6,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.60 : 13,697.28 = 4,198.56 : x
  2. Step 2: Convert to fraction form
    9,135.60/13,697.28 = 4,198.56/x
  3. Step 3: Cross multiply
    9,135.60x = 13,697.28 × 4,198.56
  4. Step 4: Simplify right side
    9,135.60x = 57,508,851.92
  5. Step 5: Solve for x
    x = 57,508,851.92/9,135.60
  6. Step 6: Final answer
    x = 6,295.03

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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.