Home / 16,921.75-23,351.43-9,368.41

Finding the Fourth Proportional to 16,921.75, 23,351.43 and 9,368.41

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Solution

The fourth proportional to 16,921.75, 23,351.43 and 9,368.41 is: 12,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.75 : 23,351.43 = 9,368.41 : x
  2. Step 2: Convert to fraction form
    16,921.75/23,351.43 = 9,368.41/x
  3. Step 3: Cross multiply
    16,921.75x = 23,351.43 × 9,368.41
  4. Step 4: Simplify right side
    16,921.75x = 218,765,770.33
  5. Step 5: Solve for x
    x = 218,765,770.33/16,921.75
  6. Step 6: Final answer
    x = 12,928.08

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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.