Home / 9,140.06-13,709.96-2,214.62

Finding the Fourth Proportional to 9,140.06, 13,709.96 and 2,214.62

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Solution

The fourth proportional to 9,140.06, 13,709.96 and 2,214.62 is: 3,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.06 : 13,709.96 = 2,214.62 : x
  2. Step 2: Convert to fraction form
    9,140.06/13,709.96 = 2,214.62/x
  3. Step 3: Cross multiply
    9,140.06x = 13,709.96 × 2,214.62
  4. Step 4: Simplify right side
    9,140.06x = 30,362,351.62
  5. Step 5: Solve for x
    x = 30,362,351.62/9,140.06
  6. Step 6: Final answer
    x = 3,321.90

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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.