Home / 13,868.08-20,806.08-6,850.24

Finding the Fourth Proportional to 13,868.08, 20,806.08 and 6,850.24

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Solution

The fourth proportional to 13,868.08, 20,806.08 and 6,850.24 is: 10,277.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.08 : 20,806.08 = 6,850.24 : x
  2. Step 2: Convert to fraction form
    13,868.08/20,806.08 = 6,850.24/x
  3. Step 3: Cross multiply
    13,868.08x = 20,806.08 × 6,850.24
  4. Step 4: Simplify right side
    13,868.08x = 142,526,641.46
  5. Step 5: Solve for x
    x = 142,526,641.46/13,868.08
  6. Step 6: Final answer
    x = 10,277.32

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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.