Home / 13,910.85-20,866.32-4,050.37

Finding the Fourth Proportional to 13,910.85, 20,866.32 and 4,050.37

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Solution

The fourth proportional to 13,910.85, 20,866.32 and 4,050.37 is: 6,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.85 : 20,866.32 = 4,050.37 : x
  2. Step 2: Convert to fraction form
    13,910.85/20,866.32 = 4,050.37/x
  3. Step 3: Cross multiply
    13,910.85x = 20,866.32 × 4,050.37
  4. Step 4: Simplify right side
    13,910.85x = 84,516,316.54
  5. Step 5: Solve for x
    x = 84,516,316.54/13,910.85
  6. Step 6: Final answer
    x = 6,075.57

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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.