Home / 16,991.54-23,449.53-9,438.26

Finding the Fourth Proportional to 16,991.54, 23,449.53 and 9,438.26

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Solution

The fourth proportional to 16,991.54, 23,449.53 and 9,438.26 is: 13,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.54 : 23,449.53 = 9,438.26 : x
  2. Step 2: Convert to fraction form
    16,991.54/23,449.53 = 9,438.26/x
  3. Step 3: Cross multiply
    16,991.54x = 23,449.53 × 9,438.26
  4. Step 4: Simplify right side
    16,991.54x = 221,322,761.02
  5. Step 5: Solve for x
    x = 221,322,761.02/16,991.54
  6. Step 6: Final answer
    x = 13,025.47

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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.