Home / 11,075.30-16,615.74-3,679.79

Finding the Fourth Proportional to 11,075.30, 16,615.74 and 3,679.79

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Solution

The fourth proportional to 11,075.30, 16,615.74 and 3,679.79 is: 5,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.30 : 16,615.74 = 3,679.79 : x
  2. Step 2: Convert to fraction form
    11,075.30/16,615.74 = 3,679.79/x
  3. Step 3: Cross multiply
    11,075.30x = 16,615.74 × 3,679.79
  4. Step 4: Simplify right side
    11,075.30x = 61,142,350.82
  5. Step 5: Solve for x
    x = 61,142,350.82/11,075.30
  6. Step 6: Final answer
    x = 5,520.61

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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.