Home / 13,920.97-20,883.66-4,558.81

Finding the Fourth Proportional to 13,920.97, 20,883.66 and 4,558.81

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Solution

The fourth proportional to 13,920.97, 20,883.66 and 4,558.81 is: 6,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,920.97 : 20,883.66 = 4,558.81 : x
  2. Step 2: Convert to fraction form
    13,920.97/20,883.66 = 4,558.81/x
  3. Step 3: Cross multiply
    13,920.97x = 20,883.66 × 4,558.81
  4. Step 4: Simplify right side
    13,920.97x = 95,204,638.04
  5. Step 5: Solve for x
    x = 95,204,638.04/13,920.97
  6. Step 6: Final answer
    x = 6,838.94

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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.