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Finding the Fourth Proportional to 17,297.47, 25,950.09 and 5,290.67

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Solution

The fourth proportional to 17,297.47, 25,950.09 and 5,290.67 is: 7,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,297.47 : 25,950.09 = 5,290.67 : x
  2. Step 2: Convert to fraction form
    17,297.47/25,950.09 = 5,290.67/x
  3. Step 3: Cross multiply
    17,297.47x = 25,950.09 × 5,290.67
  4. Step 4: Simplify right side
    17,297.47x = 137,293,336.21
  5. Step 5: Solve for x
    x = 137,293,336.21/17,297.47
  6. Step 6: Final answer
    x = 7,937.19

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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.