Home / 12,771.37-19,133.99-5,362.57

Finding the Fourth Proportional to 12,771.37, 19,133.99 and 5,362.57

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Solution

The fourth proportional to 12,771.37, 19,133.99 and 5,362.57 is: 8,034.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771.37 : 19,133.99 = 5,362.57 : x
  2. Step 2: Convert to fraction form
    12,771.37/19,133.99 = 5,362.57/x
  3. Step 3: Cross multiply
    12,771.37x = 19,133.99 × 5,362.57
  4. Step 4: Simplify right side
    12,771.37x = 102,607,360.75
  5. Step 5: Solve for x
    x = 102,607,360.75/12,771.37
  6. Step 6: Final answer
    x = 8,034.17

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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.