Home / 9,144.80-13,717.01-4,214.45

Finding the Fourth Proportional to 9,144.80, 13,717.01 and 4,214.45

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Solution

The fourth proportional to 9,144.80, 13,717.01 and 4,214.45 is: 6,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.80 : 13,717.01 = 4,214.45 : x
  2. Step 2: Convert to fraction form
    9,144.80/13,717.01 = 4,214.45/x
  3. Step 3: Cross multiply
    9,144.80x = 13,717.01 × 4,214.45
  4. Step 4: Simplify right side
    9,144.80x = 57,809,563.14
  5. Step 5: Solve for x
    x = 57,809,563.14/9,144.80
  6. Step 6: Final answer
    x = 6,321.58

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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.