Home / 12,839.64-19,263.24-4,074.36

Finding the Fourth Proportional to 12,839.64, 19,263.24 and 4,074.36

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Solution

The fourth proportional to 12,839.64, 19,263.24 and 4,074.36 is: 6,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839.64 : 19,263.24 = 4,074.36 : x
  2. Step 2: Convert to fraction form
    12,839.64/19,263.24 = 4,074.36/x
  3. Step 3: Cross multiply
    12,839.64x = 19,263.24 × 4,074.36
  4. Step 4: Simplify right side
    12,839.64x = 78,485,374.53
  5. Step 5: Solve for x
    x = 78,485,374.53/12,839.64
  6. Step 6: Final answer
    x = 6,112.74

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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.