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Finding the Fourth Proportional to 12,512.07, 17,264.07 and 8,035.20

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Solution

The fourth proportional to 12,512.07, 17,264.07 and 8,035.20 is: 11,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.07 : 17,264.07 = 8,035.20 : x
  2. Step 2: Convert to fraction form
    12,512.07/17,264.07 = 8,035.20/x
  3. Step 3: Cross multiply
    12,512.07x = 17,264.07 × 8,035.20
  4. Step 4: Simplify right side
    12,512.07x = 138,720,255.26
  5. Step 5: Solve for x
    x = 138,720,255.26/12,512.07
  6. Step 6: Final answer
    x = 11,086.91

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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.