Home / 16,185.67-22,336.64-9,112.34

Finding the Fourth Proportional to 16,185.67, 22,336.64 and 9,112.34

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Solution

The fourth proportional to 16,185.67, 22,336.64 and 9,112.34 is: 12,575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,185.67 : 22,336.64 = 9,112.34 : x
  2. Step 2: Convert to fraction form
    16,185.67/22,336.64 = 9,112.34/x
  3. Step 3: Cross multiply
    16,185.67x = 22,336.64 × 9,112.34
  4. Step 4: Simplify right side
    16,185.67x = 203,539,102.59
  5. Step 5: Solve for x
    x = 203,539,102.59/16,185.67
  6. Step 6: Final answer
    x = 12,575.27

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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.