Home / 12,813.03-19,208.61-5,020.02

Finding the Fourth Proportional to 12,813.03, 19,208.61 and 5,020.02

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Solution

The fourth proportional to 12,813.03, 19,208.61 and 5,020.02 is: 7,525.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813.03 : 19,208.61 = 5,020.02 : x
  2. Step 2: Convert to fraction form
    12,813.03/19,208.61 = 5,020.02/x
  3. Step 3: Cross multiply
    12,813.03x = 19,208.61 × 5,020.02
  4. Step 4: Simplify right side
    12,813.03x = 96,427,606.37
  5. Step 5: Solve for x
    x = 96,427,606.37/12,813.03
  6. Step 6: Final answer
    x = 7,525.75

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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.