Home / 13,979.02-20,964.03-4,616.86

Finding the Fourth Proportional to 13,979.02, 20,964.03 and 4,616.86

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Solution

The fourth proportional to 13,979.02, 20,964.03 and 4,616.86 is: 6,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.02 : 20,964.03 = 4,616.86 : x
  2. Step 2: Convert to fraction form
    13,979.02/20,964.03 = 4,616.86/x
  3. Step 3: Cross multiply
    13,979.02x = 20,964.03 × 4,616.86
  4. Step 4: Simplify right side
    13,979.02x = 96,787,991.55
  5. Step 5: Solve for x
    x = 96,787,991.55/13,979.02
  6. Step 6: Final answer
    x = 6,923.80

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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.