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Finding the Fourth Proportional to 17,108.01, 25,661.70 and 10,135.89

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Solution

The fourth proportional to 17,108.01, 25,661.70 and 10,135.89 is: 15,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.01 : 25,661.70 = 10,135.89 : x
  2. Step 2: Convert to fraction form
    17,108.01/25,661.70 = 10,135.89/x
  3. Step 3: Cross multiply
    17,108.01x = 25,661.70 × 10,135.89
  4. Step 4: Simplify right side
    17,108.01x = 260,104,168.41
  5. Step 5: Solve for x
    x = 260,104,168.41/17,108.01
  6. Step 6: Final answer
    x = 15,203.65

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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.