Home / 11,806.16-17,696.76-4,416.08

Finding the Fourth Proportional to 11,806.16, 17,696.76 and 4,416.08

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Solution

The fourth proportional to 11,806.16, 17,696.76 and 4,416.08 is: 6,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.16 : 17,696.76 = 4,416.08 : x
  2. Step 2: Convert to fraction form
    11,806.16/17,696.76 = 4,416.08/x
  3. Step 3: Cross multiply
    11,806.16x = 17,696.76 × 4,416.08
  4. Step 4: Simplify right side
    11,806.16x = 78,150,307.90
  5. Step 5: Solve for x
    x = 78,150,307.90/11,806.16
  6. Step 6: Final answer
    x = 6,619.45

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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.