Home / 11,522.44-17,273.58-9,778.72

Finding the Fourth Proportional to 11,522.44, 17,273.58 and 9,778.72

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Solution

The fourth proportional to 11,522.44, 17,273.58 and 9,778.72 is: 14,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.44 : 17,273.58 = 9,778.72 : x
  2. Step 2: Convert to fraction form
    11,522.44/17,273.58 = 9,778.72/x
  3. Step 3: Cross multiply
    11,522.44x = 17,273.58 × 9,778.72
  4. Step 4: Simplify right side
    11,522.44x = 168,913,502.22
  5. Step 5: Solve for x
    x = 168,913,502.22/11,522.44
  6. Step 6: Final answer
    x = 14,659.53

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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.