Home / 11,445.88-17,165.58-4,425.40

Finding the Fourth Proportional to 11,445.88, 17,165.58 and 4,425.40

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Solution

The fourth proportional to 11,445.88, 17,165.58 and 4,425.40 is: 6,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.88 : 17,165.58 = 4,425.40 : x
  2. Step 2: Convert to fraction form
    11,445.88/17,165.58 = 4,425.40/x
  3. Step 3: Cross multiply
    11,445.88x = 17,165.58 × 4,425.40
  4. Step 4: Simplify right side
    11,445.88x = 75,964,557.73
  5. Step 5: Solve for x
    x = 75,964,557.73/11,445.88
  6. Step 6: Final answer
    x = 6,636.85

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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.