Home / 10,782.64-16,166.18-3,383.12

Finding the Fourth Proportional to 10,782.64, 16,166.18 and 3,383.12

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Solution

The fourth proportional to 10,782.64, 16,166.18 and 3,383.12 is: 5,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.64 : 16,166.18 = 3,383.12 : x
  2. Step 2: Convert to fraction form
    10,782.64/16,166.18 = 3,383.12/x
  3. Step 3: Cross multiply
    10,782.64x = 16,166.18 × 3,383.12
  4. Step 4: Simplify right side
    10,782.64x = 54,692,126.88
  5. Step 5: Solve for x
    x = 54,692,126.88/10,782.64
  6. Step 6: Final answer
    x = 5,072.24

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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.