Home / 12,137.44-16,749.40-6,759.84

Finding the Fourth Proportional to 12,137.44, 16,749.40 and 6,759.84

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Solution

The fourth proportional to 12,137.44, 16,749.40 and 6,759.84 is: 9,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.44 : 16,749.40 = 6,759.84 : x
  2. Step 2: Convert to fraction form
    12,137.44/16,749.40 = 6,759.84/x
  3. Step 3: Cross multiply
    12,137.44x = 16,749.40 × 6,759.84
  4. Step 4: Simplify right side
    12,137.44x = 113,223,264.10
  5. Step 5: Solve for x
    x = 113,223,264.10/12,137.44
  6. Step 6: Final answer
    x = 9,328.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.