Home / 16,991.37-23,448.41-9,438.41

Finding the Fourth Proportional to 16,991.37, 23,448.41 and 9,438.41

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Solution

The fourth proportional to 16,991.37, 23,448.41 and 9,438.41 is: 13,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.37 : 23,448.41 = 9,438.41 : x
  2. Step 2: Convert to fraction form
    16,991.37/23,448.41 = 9,438.41/x
  3. Step 3: Cross multiply
    16,991.37x = 23,448.41 × 9,438.41
  4. Step 4: Simplify right side
    16,991.37x = 221,315,542.99
  5. Step 5: Solve for x
    x = 221,315,542.99/16,991.37
  6. Step 6: Final answer
    x = 13,025.17

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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.