Home / 9,927.21-13,690.41-6,745.28

Finding the Fourth Proportional to 9,927.21, 13,690.41 and 6,745.28

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Solution

The fourth proportional to 9,927.21, 13,690.41 and 6,745.28 is: 9,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.21 : 13,690.41 = 6,745.28 : x
  2. Step 2: Convert to fraction form
    9,927.21/13,690.41 = 6,745.28/x
  3. Step 3: Cross multiply
    9,927.21x = 13,690.41 × 6,745.28
  4. Step 4: Simplify right side
    9,927.21x = 92,345,580.31
  5. Step 5: Solve for x
    x = 92,345,580.31/9,927.21
  6. Step 6: Final answer
    x = 9,302.27

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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.