Home / 13,914.41-20,872.49-4,555.40

Finding the Fourth Proportional to 13,914.41, 20,872.49 and 4,555.40

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Solution

The fourth proportional to 13,914.41, 20,872.49 and 4,555.40 is: 6,833.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.41 : 20,872.49 = 4,555.40 : x
  2. Step 2: Convert to fraction form
    13,914.41/20,872.49 = 4,555.40/x
  3. Step 3: Cross multiply
    13,914.41x = 20,872.49 × 4,555.40
  4. Step 4: Simplify right side
    13,914.41x = 95,082,413.81
  5. Step 5: Solve for x
    x = 95,082,413.81/13,914.41
  6. Step 6: Final answer
    x = 6,833.38

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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.