Home / 12,322.41-18,489.83-4,929

Finding the Fourth Proportional to 12,322.41, 18,489.83 and 4,929

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Solution

The fourth proportional to 12,322.41, 18,489.83 and 4,929 is: 7,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.41 : 18,489.83 = 4,929 : x
  2. Step 2: Convert to fraction form
    12,322.41/18,489.83 = 4,929/x
  3. Step 3: Cross multiply
    12,322.41x = 18,489.83 × 4,929
  4. Step 4: Simplify right side
    12,322.41x = 91,136,347.43
  5. Step 5: Solve for x
    x = 91,136,347.43/12,322.41
  6. Step 6: Final answer
    x = 7,395.98

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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.