Home / 21,033.36-31,544.55-6,238.31

Finding the Fourth Proportional to 21,033.36, 31,544.55 and 6,238.31

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Solution

The fourth proportional to 21,033.36, 31,544.55 and 6,238.31 is: 9,355.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033.36 : 31,544.55 = 6,238.31 : x
  2. Step 2: Convert to fraction form
    21,033.36/31,544.55 = 6,238.31/x
  3. Step 3: Cross multiply
    21,033.36x = 31,544.55 × 6,238.31
  4. Step 4: Simplify right side
    21,033.36x = 196,784,523.99
  5. Step 5: Solve for x
    x = 196,784,523.99/21,033.36
  6. Step 6: Final answer
    x = 9,355.83

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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.