Home / 13,168.50-19,750.32-3,806.19

Finding the Fourth Proportional to 13,168.50, 19,750.32 and 3,806.19

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Solution

The fourth proportional to 13,168.50, 19,750.32 and 3,806.19 is: 5,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.50 : 19,750.32 = 3,806.19 : x
  2. Step 2: Convert to fraction form
    13,168.50/19,750.32 = 3,806.19/x
  3. Step 3: Cross multiply
    13,168.50x = 19,750.32 × 3,806.19
  4. Step 4: Simplify right side
    13,168.50x = 75,173,470.48
  5. Step 5: Solve for x
    x = 75,173,470.48/13,168.50
  6. Step 6: Final answer
    x = 5,708.58

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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.