Home / 14,378.41-19,736.19-12,771.37

Finding the Fourth Proportional to 14,378.41, 19,736.19 and 12,771.37

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Solution

The fourth proportional to 14,378.41, 19,736.19 and 12,771.37 is: 17,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.41 : 19,736.19 = 12,771.37 : x
  2. Step 2: Convert to fraction form
    14,378.41/19,736.19 = 12,771.37/x
  3. Step 3: Cross multiply
    14,378.41x = 19,736.19 × 12,771.37
  4. Step 4: Simplify right side
    14,378.41x = 252,058,121.02
  5. Step 5: Solve for x
    x = 252,058,121.02/14,378.41
  6. Step 6: Final answer
    x = 17,530.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.