Home / 13,188.99-19,783.52-3,328.27

Finding the Fourth Proportional to 13,188.99, 19,783.52 and 3,328.27

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Solution

The fourth proportional to 13,188.99, 19,783.52 and 3,328.27 is: 4,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.99 : 19,783.52 = 3,328.27 : x
  2. Step 2: Convert to fraction form
    13,188.99/19,783.52 = 3,328.27/x
  3. Step 3: Cross multiply
    13,188.99x = 19,783.52 × 3,328.27
  4. Step 4: Simplify right side
    13,188.99x = 65,844,896.11
  5. Step 5: Solve for x
    x = 65,844,896.11/13,188.99
  6. Step 6: Final answer
    x = 4,992.41

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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.