Home / 13,944.42-19,243.26-8,355.42

Finding the Fourth Proportional to 13,944.42, 19,243.26 and 8,355.42

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Solution

The fourth proportional to 13,944.42, 19,243.26 and 8,355.42 is: 11,530.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.42 : 19,243.26 = 8,355.42 : x
  2. Step 2: Convert to fraction form
    13,944.42/19,243.26 = 8,355.42/x
  3. Step 3: Cross multiply
    13,944.42x = 19,243.26 × 8,355.42
  4. Step 4: Simplify right side
    13,944.42x = 160,785,519.47
  5. Step 5: Solve for x
    x = 160,785,519.47/13,944.42
  6. Step 6: Final answer
    x = 11,530.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.