Home / 9,121.36-13,682.04-7,044.39

Finding the Fourth Proportional to 9,121.36, 13,682.04 and 7,044.39

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Solution

The fourth proportional to 9,121.36, 13,682.04 and 7,044.39 is: 10,566.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121.36 : 13,682.04 = 7,044.39 : x
  2. Step 2: Convert to fraction form
    9,121.36/13,682.04 = 7,044.39/x
  3. Step 3: Cross multiply
    9,121.36x = 13,682.04 × 7,044.39
  4. Step 4: Simplify right side
    9,121.36x = 96,381,625.76
  5. Step 5: Solve for x
    x = 96,381,625.76/9,121.36
  6. Step 6: Final answer
    x = 10,566.59

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Double scale
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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.