Home / 14,129.19-21,193.92-3,740.94

Finding the Fourth Proportional to 14,129.19, 21,193.92 and 3,740.94

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Solution

The fourth proportional to 14,129.19, 21,193.92 and 3,740.94 is: 5,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.19 : 21,193.92 = 3,740.94 : x
  2. Step 2: Convert to fraction form
    14,129.19/21,193.92 = 3,740.94/x
  3. Step 3: Cross multiply
    14,129.19x = 21,193.92 × 3,740.94
  4. Step 4: Simplify right side
    14,129.19x = 79,285,183.08
  5. Step 5: Solve for x
    x = 79,285,183.08/14,129.19
  6. Step 6: Final answer
    x = 5,611.45

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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.