Home / 11,318.21-16,977.31-4,298.23

Finding the Fourth Proportional to 11,318.21, 16,977.31 and 4,298.23

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Solution

The fourth proportional to 11,318.21, 16,977.31 and 4,298.23 is: 6,447.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.21 : 16,977.31 = 4,298.23 : x
  2. Step 2: Convert to fraction form
    11,318.21/16,977.31 = 4,298.23/x
  3. Step 3: Cross multiply
    11,318.21x = 16,977.31 × 4,298.23
  4. Step 4: Simplify right side
    11,318.21x = 72,972,383.16
  5. Step 5: Solve for x
    x = 72,972,383.16/11,318.21
  6. Step 6: Final answer
    x = 6,447.34

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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.