Home / 11,455.40-17,173.10-4,440.20

Finding the Fourth Proportional to 11,455.40, 17,173.10 and 4,440.20

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Solution

The fourth proportional to 11,455.40, 17,173.10 and 4,440.20 is: 6,656.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.40 : 17,173.10 = 4,440.20 : x
  2. Step 2: Convert to fraction form
    11,455.40/17,173.10 = 4,440.20/x
  3. Step 3: Cross multiply
    11,455.40x = 17,173.10 × 4,440.20
  4. Step 4: Simplify right side
    11,455.40x = 76,251,998.62
  5. Step 5: Solve for x
    x = 76,251,998.62/11,455.40
  6. Step 6: Final answer
    x = 6,656.42

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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.