Home / 13,022.46-19,533.57-3,161.77

Finding the Fourth Proportional to 13,022.46, 19,533.57 and 3,161.77

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Solution

The fourth proportional to 13,022.46, 19,533.57 and 3,161.77 is: 4,742.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.46 : 19,533.57 = 3,161.77 : x
  2. Step 2: Convert to fraction form
    13,022.46/19,533.57 = 3,161.77/x
  3. Step 3: Cross multiply
    13,022.46x = 19,533.57 × 3,161.77
  4. Step 4: Simplify right side
    13,022.46x = 61,760,655.62
  5. Step 5: Solve for x
    x = 61,760,655.62/13,022.46
  6. Step 6: Final answer
    x = 4,742.63

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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.