Home / 14,107.06-21,160.74-5,781.27

Finding the Fourth Proportional to 14,107.06, 21,160.74 and 5,781.27

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Solution

The fourth proportional to 14,107.06, 21,160.74 and 5,781.27 is: 8,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.06 : 21,160.74 = 5,781.27 : x
  2. Step 2: Convert to fraction form
    14,107.06/21,160.74 = 5,781.27/x
  3. Step 3: Cross multiply
    14,107.06x = 21,160.74 × 5,781.27
  4. Step 4: Simplify right side
    14,107.06x = 122,336,052.37
  5. Step 5: Solve for x
    x = 122,336,052.37/14,107.06
  6. Step 6: Final answer
    x = 8,671.97

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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.