Home / 13,180.37-19,777.84-5,394.65

Finding the Fourth Proportional to 13,180.37, 19,777.84 and 5,394.65

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Solution

The fourth proportional to 13,180.37, 19,777.84 and 5,394.65 is: 8,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.37 : 19,777.84 = 5,394.65 : x
  2. Step 2: Convert to fraction form
    13,180.37/19,777.84 = 5,394.65/x
  3. Step 3: Cross multiply
    13,180.37x = 19,777.84 × 5,394.65
  4. Step 4: Simplify right side
    13,180.37x = 106,694,412.18
  5. Step 5: Solve for x
    x = 106,694,412.18/13,180.37
  6. Step 6: Final answer
    x = 8,094.95

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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.