Home / 9,286.48-13,931-3,132.24

Finding the Fourth Proportional to 9,286.48, 13,931 and 3,132.24

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Solution

The fourth proportional to 9,286.48, 13,931 and 3,132.24 is: 4,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.48 : 13,931 = 3,132.24 : x
  2. Step 2: Convert to fraction form
    9,286.48/13,931 = 3,132.24/x
  3. Step 3: Cross multiply
    9,286.48x = 13,931 × 3,132.24
  4. Step 4: Simplify right side
    9,286.48x = 43,635,235.44
  5. Step 5: Solve for x
    x = 43,635,235.44/9,286.48
  6. Step 6: Final answer
    x = 4,698.79

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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.