Home / 11,640.22-17,450.55-9,443.50

Finding the Fourth Proportional to 11,640.22, 17,450.55 and 9,443.50

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Solution

The fourth proportional to 11,640.22, 17,450.55 and 9,443.50 is: 14,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.22 : 17,450.55 = 9,443.50 : x
  2. Step 2: Convert to fraction form
    11,640.22/17,450.55 = 9,443.50/x
  3. Step 3: Cross multiply
    11,640.22x = 17,450.55 × 9,443.50
  4. Step 4: Simplify right side
    11,640.22x = 164,794,268.93
  5. Step 5: Solve for x
    x = 164,794,268.93/11,640.22
  6. Step 6: Final answer
    x = 14,157.32

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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.