Home / 13,986.56-20,994.42-6,200.84

Finding the Fourth Proportional to 13,986.56, 20,994.42 and 6,200.84

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Solution

The fourth proportional to 13,986.56, 20,994.42 and 6,200.84 is: 9,307.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986.56 : 20,994.42 = 6,200.84 : x
  2. Step 2: Convert to fraction form
    13,986.56/20,994.42 = 6,200.84/x
  3. Step 3: Cross multiply
    13,986.56x = 20,994.42 × 6,200.84
  4. Step 4: Simplify right side
    13,986.56x = 130,183,039.31
  5. Step 5: Solve for x
    x = 130,183,039.31/13,986.56
  6. Step 6: Final answer
    x = 9,307.72

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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.