Home / 13,260.22-19,888.85-3,399.73

Finding the Fourth Proportional to 13,260.22, 19,888.85 and 3,399.73

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Solution

The fourth proportional to 13,260.22, 19,888.85 and 3,399.73 is: 5,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.22 : 19,888.85 = 3,399.73 : x
  2. Step 2: Convert to fraction form
    13,260.22/19,888.85 = 3,399.73/x
  3. Step 3: Cross multiply
    13,260.22x = 19,888.85 × 3,399.73
  4. Step 4: Simplify right side
    13,260.22x = 67,616,703.01
  5. Step 5: Solve for x
    x = 67,616,703.01/13,260.22
  6. Step 6: Final answer
    x = 5,099.21

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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.