Home / 13,814.94-20,722.40-3,954.25

Finding the Fourth Proportional to 13,814.94, 20,722.40 and 3,954.25

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Solution

The fourth proportional to 13,814.94, 20,722.40 and 3,954.25 is: 5,931.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.94 : 20,722.40 = 3,954.25 : x
  2. Step 2: Convert to fraction form
    13,814.94/20,722.40 = 3,954.25/x
  3. Step 3: Cross multiply
    13,814.94x = 20,722.40 × 3,954.25
  4. Step 4: Simplify right side
    13,814.94x = 81,941,508.28
  5. Step 5: Solve for x
    x = 81,941,508.28/13,814.94
  6. Step 6: Final answer
    x = 5,931.37

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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.