Home / 13,004.45-19,506.52-5,218.73

Finding the Fourth Proportional to 13,004.45, 19,506.52 and 5,218.73

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Solution

The fourth proportional to 13,004.45, 19,506.52 and 5,218.73 is: 7,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004.45 : 19,506.52 = 5,218.73 : x
  2. Step 2: Convert to fraction form
    13,004.45/19,506.52 = 5,218.73/x
  3. Step 3: Cross multiply
    13,004.45x = 19,506.52 × 5,218.73
  4. Step 4: Simplify right side
    13,004.45x = 101,799,243.26
  5. Step 5: Solve for x
    x = 101,799,243.26/13,004.45
  6. Step 6: Final answer
    x = 7,828.03

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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.