Home / 13,864.94-19,131.40-7,896.73

Finding the Fourth Proportional to 13,864.94, 19,131.40 and 7,896.73

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Solution

The fourth proportional to 13,864.94, 19,131.40 and 7,896.73 is: 10,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.94 : 19,131.40 = 7,896.73 : x
  2. Step 2: Convert to fraction form
    13,864.94/19,131.40 = 7,896.73/x
  3. Step 3: Cross multiply
    13,864.94x = 19,131.40 × 7,896.73
  4. Step 4: Simplify right side
    13,864.94x = 151,075,500.32
  5. Step 5: Solve for x
    x = 151,075,500.32/13,864.94
  6. Step 6: Final answer
    x = 10,896.22

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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.