Home / 17,087.90-25,640.50-11,529.56

Finding the Fourth Proportional to 17,087.90, 25,640.50 and 11,529.56

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Solution

The fourth proportional to 17,087.90, 25,640.50 and 11,529.56 is: 17,300.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.90 : 25,640.50 = 11,529.56 : x
  2. Step 2: Convert to fraction form
    17,087.90/25,640.50 = 11,529.56/x
  3. Step 3: Cross multiply
    17,087.90x = 25,640.50 × 11,529.56
  4. Step 4: Simplify right side
    17,087.90x = 295,623,718.46
  5. Step 5: Solve for x
    x = 295,623,718.46/17,087.90
  6. Step 6: Final answer
    x = 17,300.18

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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.