Home / 12,322.02-18,491.93-4,928.54

Finding the Fourth Proportional to 12,322.02, 18,491.93 and 4,928.54

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Solution

The fourth proportional to 12,322.02, 18,491.93 and 4,928.54 is: 7,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.02 : 18,491.93 = 4,928.54 : x
  2. Step 2: Convert to fraction form
    12,322.02/18,491.93 = 4,928.54/x
  3. Step 3: Cross multiply
    12,322.02x = 18,491.93 × 4,928.54
  4. Step 4: Simplify right side
    12,322.02x = 91,138,216.68
  5. Step 5: Solve for x
    x = 91,138,216.68/12,322.02
  6. Step 6: Final answer
    x = 7,396.37

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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.