Home / 11,330.82-15,636.87-6,855.39

Finding the Fourth Proportional to 11,330.82, 15,636.87 and 6,855.39

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Solution

The fourth proportional to 11,330.82, 15,636.87 and 6,855.39 is: 9,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.82 : 15,636.87 = 6,855.39 : x
  2. Step 2: Convert to fraction form
    11,330.82/15,636.87 = 6,855.39/x
  3. Step 3: Cross multiply
    11,330.82x = 15,636.87 × 6,855.39
  4. Step 4: Simplify right side
    11,330.82x = 107,196,842.23
  5. Step 5: Solve for x
    x = 107,196,842.23/11,330.82
  6. Step 6: Final answer
    x = 9,460.64

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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.