Home / 9,696.16-13,381.14-5,717.44

Finding the Fourth Proportional to 9,696.16, 13,381.14 and 5,717.44

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Solution

The fourth proportional to 9,696.16, 13,381.14 and 5,717.44 is: 7,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,696.16 : 13,381.14 = 5,717.44 : x
  2. Step 2: Convert to fraction form
    9,696.16/13,381.14 = 5,717.44/x
  3. Step 3: Cross multiply
    9,696.16x = 13,381.14 × 5,717.44
  4. Step 4: Simplify right side
    9,696.16x = 76,505,865.08
  5. Step 5: Solve for x
    x = 76,505,865.08/9,696.16
  6. Step 6: Final answer
    x = 7,890.33

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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.