Home / 17,126.34-25,690.68-5,439.48

Finding the Fourth Proportional to 17,126.34, 25,690.68 and 5,439.48

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Solution

The fourth proportional to 17,126.34, 25,690.68 and 5,439.48 is: 8,159.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126.34 : 25,690.68 = 5,439.48 : x
  2. Step 2: Convert to fraction form
    17,126.34/25,690.68 = 5,439.48/x
  3. Step 3: Cross multiply
    17,126.34x = 25,690.68 × 5,439.48
  4. Step 4: Simplify right side
    17,126.34x = 139,743,940.05
  5. Step 5: Solve for x
    x = 139,743,940.05/17,126.34
  6. Step 6: Final answer
    x = 8,159.59

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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.