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Finding the Fourth Proportional to 17,152.59, 25,738.74 and 9,255.09

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Solution

The fourth proportional to 17,152.59, 25,738.74 and 9,255.09 is: 13,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,152.59 : 25,738.74 = 9,255.09 : x
  2. Step 2: Convert to fraction form
    17,152.59/25,738.74 = 9,255.09/x
  3. Step 3: Cross multiply
    17,152.59x = 25,738.74 × 9,255.09
  4. Step 4: Simplify right side
    17,152.59x = 238,214,355.19
  5. Step 5: Solve for x
    x = 238,214,355.19/17,152.59
  6. Step 6: Final answer
    x = 13,887.95

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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.