Home / 12,321.36-18,504.32-11,332.41

Finding the Fourth Proportional to 12,321.36, 18,504.32 and 11,332.41

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Solution

The fourth proportional to 12,321.36, 18,504.32 and 11,332.41 is: 17,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321.36 : 18,504.32 = 11,332.41 : x
  2. Step 2: Convert to fraction form
    12,321.36/18,504.32 = 11,332.41/x
  3. Step 3: Cross multiply
    12,321.36x = 18,504.32 × 11,332.41
  4. Step 4: Simplify right side
    12,321.36x = 209,698,541.01
  5. Step 5: Solve for x
    x = 209,698,541.01/12,321.36
  6. Step 6: Final answer
    x = 17,019.11

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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.