Home / 11,075.20-16,620.90-7,376.20

Finding the Fourth Proportional to 11,075.20, 16,620.90 and 7,376.20

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Solution

The fourth proportional to 11,075.20, 16,620.90 and 7,376.20 is: 11,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.20 : 16,620.90 = 7,376.20 : x
  2. Step 2: Convert to fraction form
    11,075.20/16,620.90 = 7,376.20/x
  3. Step 3: Cross multiply
    11,075.20x = 16,620.90 × 7,376.20
  4. Step 4: Simplify right side
    11,075.20x = 122,599,082.58
  5. Step 5: Solve for x
    x = 122,599,082.58/11,075.20
  6. Step 6: Final answer
    x = 11,069.69

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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.