Home / 14,664.03-21,982.71-7,635.78

Finding the Fourth Proportional to 14,664.03, 21,982.71 and 7,635.78

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Solution

The fourth proportional to 14,664.03, 21,982.71 and 7,635.78 is: 11,446.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.03 : 21,982.71 = 7,635.78 : x
  2. Step 2: Convert to fraction form
    14,664.03/21,982.71 = 7,635.78/x
  3. Step 3: Cross multiply
    14,664.03x = 21,982.71 × 7,635.78
  4. Step 4: Simplify right side
    14,664.03x = 167,855,137.36
  5. Step 5: Solve for x
    x = 167,855,137.36/14,664.03
  6. Step 6: Final answer
    x = 11,446.73

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1.5x scale

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.