Home / 9,160.20-13,739.94-6,378.84

Finding the Fourth Proportional to 9,160.20, 13,739.94 and 6,378.84

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Solution

The fourth proportional to 9,160.20, 13,739.94 and 6,378.84 is: 9,568.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.20 : 13,739.94 = 6,378.84 : x
  2. Step 2: Convert to fraction form
    9,160.20/13,739.94 = 6,378.84/x
  3. Step 3: Cross multiply
    9,160.20x = 13,739.94 × 6,378.84
  4. Step 4: Simplify right side
    9,160.20x = 87,644,878.87
  5. Step 5: Solve for x
    x = 87,644,878.87/9,160.20
  6. Step 6: Final answer
    x = 9,568.01

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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.