Home / 13,868.24-20,803.41-4,007.60

Finding the Fourth Proportional to 13,868.24, 20,803.41 and 4,007.60

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Solution

The fourth proportional to 13,868.24, 20,803.41 and 4,007.60 is: 6,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.24 : 20,803.41 = 4,007.60 : x
  2. Step 2: Convert to fraction form
    13,868.24/20,803.41 = 4,007.60/x
  3. Step 3: Cross multiply
    13,868.24x = 20,803.41 × 4,007.60
  4. Step 4: Simplify right side
    13,868.24x = 83,371,734.94
  5. Step 5: Solve for x
    x = 83,371,734.94/13,868.24
  6. Step 6: Final answer
    x = 6,011.70

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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.