Home / 12,770.37-19,156.46-3,410.36

Finding the Fourth Proportional to 12,770.37, 19,156.46 and 3,410.36

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Solution

The fourth proportional to 12,770.37, 19,156.46 and 3,410.36 is: 5,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.37 : 19,156.46 = 3,410.36 : x
  2. Step 2: Convert to fraction form
    12,770.37/19,156.46 = 3,410.36/x
  3. Step 3: Cross multiply
    12,770.37x = 19,156.46 × 3,410.36
  4. Step 4: Simplify right side
    12,770.37x = 65,330,312.09
  5. Step 5: Solve for x
    x = 65,330,312.09/12,770.37
  6. Step 6: Final answer
    x = 5,115.77

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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.