Home / 13,856.93-20,788.46-3,995.44

Finding the Fourth Proportional to 13,856.93, 20,788.46 and 3,995.44

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Solution

The fourth proportional to 13,856.93, 20,788.46 and 3,995.44 is: 5,994.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856.93 : 20,788.46 = 3,995.44 : x
  2. Step 2: Convert to fraction form
    13,856.93/20,788.46 = 3,995.44/x
  3. Step 3: Cross multiply
    13,856.93x = 20,788.46 × 3,995.44
  4. Step 4: Simplify right side
    13,856.93x = 83,059,002.64
  5. Step 5: Solve for x
    x = 83,059,002.64/13,856.93
  6. Step 6: Final answer
    x = 5,994.04

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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.