Home / 13,268.52-19,903.05-3,407.85

Finding the Fourth Proportional to 13,268.52, 19,903.05 and 3,407.85

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Solution

The fourth proportional to 13,268.52, 19,903.05 and 3,407.85 is: 5,111.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.52 : 19,903.05 = 3,407.85 : x
  2. Step 2: Convert to fraction form
    13,268.52/19,903.05 = 3,407.85/x
  3. Step 3: Cross multiply
    13,268.52x = 19,903.05 × 3,407.85
  4. Step 4: Simplify right side
    13,268.52x = 67,826,608.94
  5. Step 5: Solve for x
    x = 67,826,608.94/13,268.52
  6. Step 6: Final answer
    x = 5,111.84

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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.