Home / 13,994.64-20,986.36-6,198.16

Finding the Fourth Proportional to 13,994.64, 20,986.36 and 6,198.16

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Solution

The fourth proportional to 13,994.64, 20,986.36 and 6,198.16 is: 9,294.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.64 : 20,986.36 = 6,198.16 : x
  2. Step 2: Convert to fraction form
    13,994.64/20,986.36 = 6,198.16/x
  3. Step 3: Cross multiply
    13,994.64x = 20,986.36 × 6,198.16
  4. Step 4: Simplify right side
    13,994.64x = 130,076,817.10
  5. Step 5: Solve for x
    x = 130,076,817.10/13,994.64
  6. Step 6: Final answer
    x = 9,294.76

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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.