Home / 14,638.09-21,943.68-5,275.82

Finding the Fourth Proportional to 14,638.09, 21,943.68 and 5,275.82

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Solution

The fourth proportional to 14,638.09, 21,943.68 and 5,275.82 is: 7,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.09 : 21,943.68 = 5,275.82 : x
  2. Step 2: Convert to fraction form
    14,638.09/21,943.68 = 5,275.82/x
  3. Step 3: Cross multiply
    14,638.09x = 21,943.68 × 5,275.82
  4. Step 4: Simplify right side
    14,638.09x = 115,770,990.59
  5. Step 5: Solve for x
    x = 115,770,990.59/14,638.09
  6. Step 6: Final answer
    x = 7,908.89

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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.