Home / 14,479.21-21,755.09-9,216.46

Finding the Fourth Proportional to 14,479.21, 21,755.09 and 9,216.46

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Solution

The fourth proportional to 14,479.21, 21,755.09 and 9,216.46 is: 13,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.21 : 21,755.09 = 9,216.46 : x
  2. Step 2: Convert to fraction form
    14,479.21/21,755.09 = 9,216.46/x
  3. Step 3: Cross multiply
    14,479.21x = 21,755.09 × 9,216.46
  4. Step 4: Simplify right side
    14,479.21x = 200,504,916.78
  5. Step 5: Solve for x
    x = 200,504,916.78/14,479.21
  6. Step 6: Final answer
    x = 13,847.78

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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.