Home / 9,835.31-13,568.40-6,647.44

Finding the Fourth Proportional to 9,835.31, 13,568.40 and 6,647.44

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Solution

The fourth proportional to 9,835.31, 13,568.40 and 6,647.44 is: 9,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,835.31 : 13,568.40 = 6,647.44 : x
  2. Step 2: Convert to fraction form
    9,835.31/13,568.40 = 6,647.44/x
  3. Step 3: Cross multiply
    9,835.31x = 13,568.40 × 6,647.44
  4. Step 4: Simplify right side
    9,835.31x = 90,195,057.05
  5. Step 5: Solve for x
    x = 90,195,057.05/9,835.31
  6. Step 6: Final answer
    x = 9,170.54

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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.