Home / 17,122.60-23,640.83-11,087.43

Finding the Fourth Proportional to 17,122.60, 23,640.83 and 11,087.43

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Solution

The fourth proportional to 17,122.60, 23,640.83 and 11,087.43 is: 15,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.60 : 23,640.83 = 11,087.43 : x
  2. Step 2: Convert to fraction form
    17,122.60/23,640.83 = 11,087.43/x
  3. Step 3: Cross multiply
    17,122.60x = 23,640.83 × 11,087.43
  4. Step 4: Simplify right side
    17,122.60x = 262,116,047.77
  5. Step 5: Solve for x
    x = 262,116,047.77/17,122.60
  6. Step 6: Final answer
    x = 15,308.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.