Home / 14,318.82-21,480.84-4,455.81

Finding the Fourth Proportional to 14,318.82, 21,480.84 and 4,455.81

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Solution

The fourth proportional to 14,318.82, 21,480.84 and 4,455.81 is: 6,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.82 : 21,480.84 = 4,455.81 : x
  2. Step 2: Convert to fraction form
    14,318.82/21,480.84 = 4,455.81/x
  3. Step 3: Cross multiply
    14,318.82x = 21,480.84 × 4,455.81
  4. Step 4: Simplify right side
    14,318.82x = 95,714,541.68
  5. Step 5: Solve for x
    x = 95,714,541.68/14,318.82
  6. Step 6: Final answer
    x = 6,684.53

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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.