Home / 14,446.91-21,661.31-5,671.64

Finding the Fourth Proportional to 14,446.91, 21,661.31 and 5,671.64

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Solution

The fourth proportional to 14,446.91, 21,661.31 and 5,671.64 is: 8,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.91 : 21,661.31 = 5,671.64 : x
  2. Step 2: Convert to fraction form
    14,446.91/21,661.31 = 5,671.64/x
  3. Step 3: Cross multiply
    14,446.91x = 21,661.31 × 5,671.64
  4. Step 4: Simplify right side
    14,446.91x = 122,855,152.25
  5. Step 5: Solve for x
    x = 122,855,152.25/14,446.91
  6. Step 6: Final answer
    x = 8,503.91

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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.