Home / 11,468.40-17,202.38-5,620.91

Finding the Fourth Proportional to 11,468.40, 17,202.38 and 5,620.91

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Solution

The fourth proportional to 11,468.40, 17,202.38 and 5,620.91 is: 8,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,468.40 : 17,202.38 = 5,620.91 : x
  2. Step 2: Convert to fraction form
    11,468.40/17,202.38 = 5,620.91/x
  3. Step 3: Cross multiply
    11,468.40x = 17,202.38 × 5,620.91
  4. Step 4: Simplify right side
    11,468.40x = 96,692,915.65
  5. Step 5: Solve for x
    x = 96,692,915.65/11,468.40
  6. Step 6: Final answer
    x = 8,431.25

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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.