Home / 12,631.08-17,429.94-7,041

Finding the Fourth Proportional to 12,631.08, 17,429.94 and 7,041

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Solution

The fourth proportional to 12,631.08, 17,429.94 and 7,041 is: 9,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.08 : 17,429.94 = 7,041 : x
  2. Step 2: Convert to fraction form
    12,631.08/17,429.94 = 7,041/x
  3. Step 3: Cross multiply
    12,631.08x = 17,429.94 × 7,041
  4. Step 4: Simplify right side
    12,631.08x = 122,724,207.54
  5. Step 5: Solve for x
    x = 122,724,207.54/12,631.08
  6. Step 6: Final answer
    x = 9,716.05

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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.