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Finding the Fourth Proportional to 17,312.46, 25,965.81 and 6,217.08

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Solution

The fourth proportional to 17,312.46, 25,965.81 and 6,217.08 is: 9,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.46 : 25,965.81 = 6,217.08 : x
  2. Step 2: Convert to fraction form
    17,312.46/25,965.81 = 6,217.08/x
  3. Step 3: Cross multiply
    17,312.46x = 25,965.81 × 6,217.08
  4. Step 4: Simplify right side
    17,312.46x = 161,431,518.03
  5. Step 5: Solve for x
    x = 161,431,518.03/17,312.46
  6. Step 6: Final answer
    x = 9,324.59

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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.