Home / 9,734.08-13,438.56-6,431.68

Finding the Fourth Proportional to 9,734.08, 13,438.56 and 6,431.68

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Solution

The fourth proportional to 9,734.08, 13,438.56 and 6,431.68 is: 8,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,734.08 : 13,438.56 = 6,431.68 : x
  2. Step 2: Convert to fraction form
    9,734.08/13,438.56 = 6,431.68/x
  3. Step 3: Cross multiply
    9,734.08x = 13,438.56 × 6,431.68
  4. Step 4: Simplify right side
    9,734.08x = 86,432,517.58
  5. Step 5: Solve for x
    x = 86,432,517.58/9,734.08
  6. Step 6: Final answer
    x = 8,879.37

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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.