Home / 13,977.71-20,964.27-4,114.68

Finding the Fourth Proportional to 13,977.71, 20,964.27 and 4,114.68

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Solution

The fourth proportional to 13,977.71, 20,964.27 and 4,114.68 is: 6,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.71 : 20,964.27 = 4,114.68 : x
  2. Step 2: Convert to fraction form
    13,977.71/20,964.27 = 4,114.68/x
  3. Step 3: Cross multiply
    13,977.71x = 20,964.27 × 4,114.68
  4. Step 4: Simplify right side
    13,977.71x = 86,261,262.48
  5. Step 5: Solve for x
    x = 86,261,262.48/13,977.71
  6. Step 6: Final answer
    x = 6,171.35

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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.