Home / 9,320.26-13,976.07-5,425.78

Finding the Fourth Proportional to 9,320.26, 13,976.07 and 5,425.78

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Solution

The fourth proportional to 9,320.26, 13,976.07 and 5,425.78 is: 8,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.26 : 13,976.07 = 5,425.78 : x
  2. Step 2: Convert to fraction form
    9,320.26/13,976.07 = 5,425.78/x
  3. Step 3: Cross multiply
    9,320.26x = 13,976.07 × 5,425.78
  4. Step 4: Simplify right side
    9,320.26x = 75,831,081.08
  5. Step 5: Solve for x
    x = 75,831,081.08/9,320.26
  6. Step 6: Final answer
    x = 8,136.16

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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.