Home / 16,771.25-23,144.37-9,319.25

Finding the Fourth Proportional to 16,771.25, 23,144.37 and 9,319.25

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Solution

The fourth proportional to 16,771.25, 23,144.37 and 9,319.25 is: 12,860.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.25 : 23,144.37 = 9,319.25 : x
  2. Step 2: Convert to fraction form
    16,771.25/23,144.37 = 9,319.25/x
  3. Step 3: Cross multiply
    16,771.25x = 23,144.37 × 9,319.25
  4. Step 4: Simplify right side
    16,771.25x = 215,688,170.12
  5. Step 5: Solve for x
    x = 215,688,170.12/16,771.25
  6. Step 6: Final answer
    x = 12,860.59

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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.