Home / 9,099.12-13,640.70-7,551.96

Finding the Fourth Proportional to 9,099.12, 13,640.70 and 7,551.96

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Solution

The fourth proportional to 9,099.12, 13,640.70 and 7,551.96 is: 11,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.12 : 13,640.70 = 7,551.96 : x
  2. Step 2: Convert to fraction form
    9,099.12/13,640.70 = 7,551.96/x
  3. Step 3: Cross multiply
    9,099.12x = 13,640.70 × 7,551.96
  4. Step 4: Simplify right side
    9,099.12x = 103,014,020.77
  5. Step 5: Solve for x
    x = 103,014,020.77/9,099.12
  6. Step 6: Final answer
    x = 11,321.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.