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Finding the Fourth Proportional to 17,000.37, 25,510.41 and 7,138.80

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Solution

The fourth proportional to 17,000.37, 25,510.41 and 7,138.80 is: 10,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,000.37 : 25,510.41 = 7,138.80 : x
  2. Step 2: Convert to fraction form
    17,000.37/25,510.41 = 7,138.80/x
  3. Step 3: Cross multiply
    17,000.37x = 25,510.41 × 7,138.80
  4. Step 4: Simplify right side
    17,000.37x = 182,113,714.91
  5. Step 5: Solve for x
    x = 182,113,714.91/17,000.37
  6. Step 6: Final answer
    x = 10,712.34

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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.