Home / 9,508.25-13,121.43-5,317.31

Finding the Fourth Proportional to 9,508.25, 13,121.43 and 5,317.31

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Solution

The fourth proportional to 9,508.25, 13,121.43 and 5,317.31 is: 7,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.25 : 13,121.43 = 5,317.31 : x
  2. Step 2: Convert to fraction form
    9,508.25/13,121.43 = 5,317.31/x
  3. Step 3: Cross multiply
    9,508.25x = 13,121.43 × 5,317.31
  4. Step 4: Simplify right side
    9,508.25x = 69,770,710.95
  5. Step 5: Solve for x
    x = 69,770,710.95/9,508.25
  6. Step 6: Final answer
    x = 7,337.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.