Home / 13,944.87-19,271.57-11,422.98

Finding the Fourth Proportional to 13,944.87, 19,271.57 and 11,422.98

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Solution

The fourth proportional to 13,944.87, 19,271.57 and 11,422.98 is: 15,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.87 : 19,271.57 = 11,422.98 : x
  2. Step 2: Convert to fraction form
    13,944.87/19,271.57 = 11,422.98/x
  3. Step 3: Cross multiply
    13,944.87x = 19,271.57 × 11,422.98
  4. Step 4: Simplify right side
    13,944.87x = 220,138,701.56
  5. Step 5: Solve for x
    x = 220,138,701.56/13,944.87
  6. Step 6: Final answer
    x = 15,786.36

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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.