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Finding the Fourth Proportional to 17,417.62, 26,106.99 and 7,542.10

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Solution

The fourth proportional to 17,417.62, 26,106.99 and 7,542.10 is: 11,304.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,417.62 : 26,106.99 = 7,542.10 : x
  2. Step 2: Convert to fraction form
    17,417.62/26,106.99 = 7,542.10/x
  3. Step 3: Cross multiply
    17,417.62x = 26,106.99 × 7,542.10
  4. Step 4: Simplify right side
    17,417.62x = 196,901,529.28
  5. Step 5: Solve for x
    x = 196,901,529.28/17,417.62
  6. Step 6: Final answer
    x = 11,304.73

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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.