Home / 9,891.39-14,837.09-3,317.56

Finding the Fourth Proportional to 9,891.39, 14,837.09 and 3,317.56

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Solution

The fourth proportional to 9,891.39, 14,837.09 and 3,317.56 is: 4,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891.39 : 14,837.09 = 3,317.56 : x
  2. Step 2: Convert to fraction form
    9,891.39/14,837.09 = 3,317.56/x
  3. Step 3: Cross multiply
    9,891.39x = 14,837.09 × 3,317.56
  4. Step 4: Simplify right side
    9,891.39x = 49,222,886.77
  5. Step 5: Solve for x
    x = 49,222,886.77/9,891.39
  6. Step 6: Final answer
    x = 4,976.34

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Similar ratio
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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.