Home / 14,418.20-21,639.45-5,659.26

Finding the Fourth Proportional to 14,418.20, 21,639.45 and 5,659.26

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Solution

The fourth proportional to 14,418.20, 21,639.45 and 5,659.26 is: 8,493.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.20 : 21,639.45 = 5,659.26 : x
  2. Step 2: Convert to fraction form
    14,418.20/21,639.45 = 5,659.26/x
  3. Step 3: Cross multiply
    14,418.20x = 21,639.45 × 5,659.26
  4. Step 4: Simplify right side
    14,418.20x = 122,463,273.81
  5. Step 5: Solve for x
    x = 122,463,273.81/14,418.20
  6. Step 6: Final answer
    x = 8,493.66

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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.