Home / 13,868.37-19,140.48-8,834.79

Finding the Fourth Proportional to 13,868.37, 19,140.48 and 8,834.79

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Solution

The fourth proportional to 13,868.37, 19,140.48 and 8,834.79 is: 12,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.37 : 19,140.48 = 8,834.79 : x
  2. Step 2: Convert to fraction form
    13,868.37/19,140.48 = 8,834.79/x
  3. Step 3: Cross multiply
    13,868.37x = 19,140.48 × 8,834.79
  4. Step 4: Simplify right side
    13,868.37x = 169,102,121.30
  5. Step 5: Solve for x
    x = 169,102,121.30/13,868.37
  6. Step 6: Final answer
    x = 12,193.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.