Home / 16,984.98-23,438.19-9,431.31

Finding the Fourth Proportional to 16,984.98, 23,438.19 and 9,431.31

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Solution

The fourth proportional to 16,984.98, 23,438.19 and 9,431.31 is: 13,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984.98 : 23,438.19 = 9,431.31 : x
  2. Step 2: Convert to fraction form
    16,984.98/23,438.19 = 9,431.31/x
  3. Step 3: Cross multiply
    16,984.98x = 23,438.19 × 9,431.31
  4. Step 4: Simplify right side
    16,984.98x = 221,052,835.73
  5. Step 5: Solve for x
    x = 221,052,835.73/16,984.98
  6. Step 6: Final answer
    x = 13,014.61

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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.