Home / 14,480.00-21,721.79-5,118.09

Finding the Fourth Proportional to 14,480.00, 21,721.79 and 5,118.09

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Solution

The fourth proportional to 14,480.00, 21,721.79 and 5,118.09 is: 7,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.00 : 21,721.79 = 5,118.09 : x
  2. Step 2: Convert to fraction form
    14,480.00/21,721.79 = 5,118.09/x
  3. Step 3: Cross multiply
    14,480.00x = 21,721.79 × 5,118.09
  4. Step 4: Simplify right side
    14,480.00x = 111,174,088.98
  5. Step 5: Solve for x
    x = 111,174,088.98/14,480.00
  6. Step 6: Final answer
    x = 7,677.77

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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.