Home / 13,910.61-20,865.94-4,050.12

Finding the Fourth Proportional to 13,910.61, 20,865.94 and 4,050.12

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Solution

The fourth proportional to 13,910.61, 20,865.94 and 4,050.12 is: 6,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.61 : 20,865.94 = 4,050.12 : x
  2. Step 2: Convert to fraction form
    13,910.61/20,865.94 = 4,050.12/x
  3. Step 3: Cross multiply
    13,910.61x = 20,865.94 × 4,050.12
  4. Step 4: Simplify right side
    13,910.61x = 84,509,560.91
  5. Step 5: Solve for x
    x = 84,509,560.91/13,910.61
  6. Step 6: Final answer
    x = 6,075.19

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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.