Home / 14,334.78-21,479.49-11,055.90

Finding the Fourth Proportional to 14,334.78, 21,479.49 and 11,055.90

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Solution

The fourth proportional to 14,334.78, 21,479.49 and 11,055.90 is: 16,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,334.78 : 21,479.49 = 11,055.90 : x
  2. Step 2: Convert to fraction form
    14,334.78/21,479.49 = 11,055.90/x
  3. Step 3: Cross multiply
    14,334.78x = 21,479.49 × 11,055.90
  4. Step 4: Simplify right side
    14,334.78x = 237,475,093.49
  5. Step 5: Solve for x
    x = 237,475,093.49/14,334.78
  6. Step 6: Final answer
    x = 16,566.36

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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.