Home / 13,047.93-19,571.82-3,187.26

Finding the Fourth Proportional to 13,047.93, 19,571.82 and 3,187.26

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Solution

The fourth proportional to 13,047.93, 19,571.82 and 3,187.26 is: 4,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.93 : 19,571.82 = 3,187.26 : x
  2. Step 2: Convert to fraction form
    13,047.93/19,571.82 = 3,187.26/x
  3. Step 3: Cross multiply
    13,047.93x = 19,571.82 × 3,187.26
  4. Step 4: Simplify right side
    13,047.93x = 62,380,479.01
  5. Step 5: Solve for x
    x = 62,380,479.01/13,047.93
  6. Step 6: Final answer
    x = 4,780.87

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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.