Home / 12,796.77-19,157.79-10,336.40

Finding the Fourth Proportional to 12,796.77, 19,157.79 and 10,336.40

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Solution

The fourth proportional to 12,796.77, 19,157.79 and 10,336.40 is: 15,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.77 : 19,157.79 = 10,336.40 : x
  2. Step 2: Convert to fraction form
    12,796.77/19,157.79 = 10,336.40/x
  3. Step 3: Cross multiply
    12,796.77x = 19,157.79 × 10,336.40
  4. Step 4: Simplify right side
    12,796.77x = 198,022,580.56
  5. Step 5: Solve for x
    x = 198,022,580.56/12,796.77
  6. Step 6: Final answer
    x = 15,474.42

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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.