Home / 9,735.44-13,436.15-6,381.09

Finding the Fourth Proportional to 9,735.44, 13,436.15 and 6,381.09

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Solution

The fourth proportional to 9,735.44, 13,436.15 and 6,381.09 is: 8,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,735.44 : 13,436.15 = 6,381.09 : x
  2. Step 2: Convert to fraction form
    9,735.44/13,436.15 = 6,381.09/x
  3. Step 3: Cross multiply
    9,735.44x = 13,436.15 × 6,381.09
  4. Step 4: Simplify right side
    9,735.44x = 85,737,250.50
  5. Step 5: Solve for x
    x = 85,737,250.50/9,735.44
  6. Step 6: Final answer
    x = 8,806.72

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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.