Home / 9,429.62-13,006.58-7,186.32

Finding the Fourth Proportional to 9,429.62, 13,006.58 and 7,186.32

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Solution

The fourth proportional to 9,429.62, 13,006.58 and 7,186.32 is: 9,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.62 : 13,006.58 = 7,186.32 : x
  2. Step 2: Convert to fraction form
    9,429.62/13,006.58 = 7,186.32/x
  3. Step 3: Cross multiply
    9,429.62x = 13,006.58 × 7,186.32
  4. Step 4: Simplify right side
    9,429.62x = 93,469,410.05
  5. Step 5: Solve for x
    x = 93,469,410.05/9,429.62
  6. Step 6: Final answer
    x = 9,912.33

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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.