Home / 13,784.75-20,674.38-3,924.11

Finding the Fourth Proportional to 13,784.75, 20,674.38 and 3,924.11

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Solution

The fourth proportional to 13,784.75, 20,674.38 and 3,924.11 is: 5,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.75 : 20,674.38 = 3,924.11 : x
  2. Step 2: Convert to fraction form
    13,784.75/20,674.38 = 3,924.11/x
  3. Step 3: Cross multiply
    13,784.75x = 20,674.38 × 3,924.11
  4. Step 4: Simplify right side
    13,784.75x = 81,128,541.30
  5. Step 5: Solve for x
    x = 81,128,541.30/13,784.75
  6. Step 6: Final answer
    x = 5,885.38

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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.