Home / 13,604.70-20,399.97-4,838.34

Finding the Fourth Proportional to 13,604.70, 20,399.97 and 4,838.34

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Solution

The fourth proportional to 13,604.70, 20,399.97 and 4,838.34 is: 7,254.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.70 : 20,399.97 = 4,838.34 : x
  2. Step 2: Convert to fraction form
    13,604.70/20,399.97 = 4,838.34/x
  3. Step 3: Cross multiply
    13,604.70x = 20,399.97 × 4,838.34
  4. Step 4: Simplify right side
    13,604.70x = 98,701,990.85
  5. Step 5: Solve for x
    x = 98,701,990.85/13,604.70
  6. Step 6: Final answer
    x = 7,254.99

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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.