Home / 17,087.57-25,630.21-8,209.26

Finding the Fourth Proportional to 17,087.57, 25,630.21 and 8,209.26

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Solution

The fourth proportional to 17,087.57, 25,630.21 and 8,209.26 is: 12,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.57 : 25,630.21 = 8,209.26 : x
  2. Step 2: Convert to fraction form
    17,087.57/25,630.21 = 8,209.26/x
  3. Step 3: Cross multiply
    17,087.57x = 25,630.21 × 8,209.26
  4. Step 4: Simplify right side
    17,087.57x = 210,405,055.52
  5. Step 5: Solve for x
    x = 210,405,055.52/17,087.57
  6. Step 6: Final answer
    x = 12,313.34

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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.