Home / 11,231.39-15,499.08-6,196.07

Finding the Fourth Proportional to 11,231.39, 15,499.08 and 6,196.07

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Solution

The fourth proportional to 11,231.39, 15,499.08 and 6,196.07 is: 8,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.39 : 15,499.08 = 6,196.07 : x
  2. Step 2: Convert to fraction form
    11,231.39/15,499.08 = 6,196.07/x
  3. Step 3: Cross multiply
    11,231.39x = 15,499.08 × 6,196.07
  4. Step 4: Simplify right side
    11,231.39x = 96,033,384.62
  5. Step 5: Solve for x
    x = 96,033,384.62/11,231.39
  6. Step 6: Final answer
    x = 8,550.45

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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.