Home / 11,621.37-17,424.76-7,668.44

Finding the Fourth Proportional to 11,621.37, 17,424.76 and 7,668.44

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Solution

The fourth proportional to 11,621.37, 17,424.76 and 7,668.44 is: 11,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.37 : 17,424.76 = 7,668.44 : x
  2. Step 2: Convert to fraction form
    11,621.37/17,424.76 = 7,668.44/x
  3. Step 3: Cross multiply
    11,621.37x = 17,424.76 × 7,668.44
  4. Step 4: Simplify right side
    11,621.37x = 133,620,639.45
  5. Step 5: Solve for x
    x = 133,620,639.45/11,621.37
  6. Step 6: Final answer
    x = 11,497.84

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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.