Home / 17,617.69-26,425.32-5,137.21

Finding the Fourth Proportional to 17,617.69, 26,425.32 and 5,137.21

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Solution

The fourth proportional to 17,617.69, 26,425.32 and 5,137.21 is: 7,705.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.69 : 26,425.32 = 5,137.21 : x
  2. Step 2: Convert to fraction form
    17,617.69/26,425.32 = 5,137.21/x
  3. Step 3: Cross multiply
    17,617.69x = 26,425.32 × 5,137.21
  4. Step 4: Simplify right side
    17,617.69x = 135,752,418.16
  5. Step 5: Solve for x
    x = 135,752,418.16/17,617.69
  6. Step 6: Final answer
    x = 7,705.46

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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.