Home / 14,311.19-21,464.33-3,781.33

Finding the Fourth Proportional to 14,311.19, 21,464.33 and 3,781.33

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Solution

The fourth proportional to 14,311.19, 21,464.33 and 3,781.33 is: 5,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.19 : 21,464.33 = 3,781.33 : x
  2. Step 2: Convert to fraction form
    14,311.19/21,464.33 = 3,781.33/x
  3. Step 3: Cross multiply
    14,311.19x = 21,464.33 × 3,781.33
  4. Step 4: Simplify right side
    14,311.19x = 81,163,642.39
  5. Step 5: Solve for x
    x = 81,163,642.39/14,311.19
  6. Step 6: Final answer
    x = 5,671.34

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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.