Home / 13,784.96-20,677.74-3,924.55

Finding the Fourth Proportional to 13,784.96, 20,677.74 and 3,924.55

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Solution

The fourth proportional to 13,784.96, 20,677.74 and 3,924.55 is: 5,886.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.96 : 20,677.74 = 3,924.55 : x
  2. Step 2: Convert to fraction form
    13,784.96/20,677.74 = 3,924.55/x
  3. Step 3: Cross multiply
    13,784.96x = 20,677.74 × 3,924.55
  4. Step 4: Simplify right side
    13,784.96x = 81,150,824.52
  5. Step 5: Solve for x
    x = 81,150,824.52/13,784.96
  6. Step 6: Final answer
    x = 5,886.91

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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.