Home / 9,145.14-13,717.71-2,219.64

Finding the Fourth Proportional to 9,145.14, 13,717.71 and 2,219.64

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Solution

The fourth proportional to 9,145.14, 13,717.71 and 2,219.64 is: 3,329.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.14 : 13,717.71 = 2,219.64 : x
  2. Step 2: Convert to fraction form
    9,145.14/13,717.71 = 2,219.64/x
  3. Step 3: Cross multiply
    9,145.14x = 13,717.71 × 2,219.64
  4. Step 4: Simplify right side
    9,145.14x = 30,448,377.82
  5. Step 5: Solve for x
    x = 30,448,377.82/9,145.14
  6. Step 6: Final answer
    x = 3,329.46

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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.