Home / 13,179.37-19,776.35-5,393.65

Finding the Fourth Proportional to 13,179.37, 19,776.35 and 5,393.65

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Solution

The fourth proportional to 13,179.37, 19,776.35 and 5,393.65 is: 8,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.37 : 19,776.35 = 5,393.65 : x
  2. Step 2: Convert to fraction form
    13,179.37/19,776.35 = 5,393.65/x
  3. Step 3: Cross multiply
    13,179.37x = 19,776.35 × 5,393.65
  4. Step 4: Simplify right side
    13,179.37x = 106,666,584.33
  5. Step 5: Solve for x
    x = 106,666,584.33/13,179.37
  6. Step 6: Final answer
    x = 8,093.45

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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.