Home / 12,718.37-19,078.41-4,399.19

Finding the Fourth Proportional to 12,718.37, 19,078.41 and 4,399.19

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Solution

The fourth proportional to 12,718.37, 19,078.41 and 4,399.19 is: 6,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.37 : 19,078.41 = 4,399.19 : x
  2. Step 2: Convert to fraction form
    12,718.37/19,078.41 = 4,399.19/x
  3. Step 3: Cross multiply
    12,718.37x = 19,078.41 × 4,399.19
  4. Step 4: Simplify right side
    12,718.37x = 83,929,550.49
  5. Step 5: Solve for x
    x = 83,929,550.49/12,718.37
  6. Step 6: Final answer
    x = 6,599.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.