Home / 11,645.28-17,467.68-2,880.24

Finding the Fourth Proportional to 11,645.28, 17,467.68 and 2,880.24

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Solution

The fourth proportional to 11,645.28, 17,467.68 and 2,880.24 is: 4,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.28 : 17,467.68 = 2,880.24 : x
  2. Step 2: Convert to fraction form
    11,645.28/17,467.68 = 2,880.24/x
  3. Step 3: Cross multiply
    11,645.28x = 17,467.68 × 2,880.24
  4. Step 4: Simplify right side
    11,645.28x = 50,311,110.64
  5. Step 5: Solve for x
    x = 50,311,110.64/11,645.28
  6. Step 6: Final answer
    x = 4,320.30

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Double scale
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Similar ratio
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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.