Home / 13,940.04-20,883.33-8,659.38

Finding the Fourth Proportional to 13,940.04, 20,883.33 and 8,659.38

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Solution

The fourth proportional to 13,940.04, 20,883.33 and 8,659.38 is: 12,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.04 : 20,883.33 = 8,659.38 : x
  2. Step 2: Convert to fraction form
    13,940.04/20,883.33 = 8,659.38/x
  3. Step 3: Cross multiply
    13,940.04x = 20,883.33 × 8,659.38
  4. Step 4: Simplify right side
    13,940.04x = 180,836,690.14
  5. Step 5: Solve for x
    x = 180,836,690.14/13,940.04
  6. Step 6: Final answer
    x = 12,972.47

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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.