Home / 11,373.46-17,075.88-7,855.20

Finding the Fourth Proportional to 11,373.46, 17,075.88 and 7,855.20

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Solution

The fourth proportional to 11,373.46, 17,075.88 and 7,855.20 is: 11,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.46 : 17,075.88 = 7,855.20 : x
  2. Step 2: Convert to fraction form
    11,373.46/17,075.88 = 7,855.20/x
  3. Step 3: Cross multiply
    11,373.46x = 17,075.88 × 7,855.20
  4. Step 4: Simplify right side
    11,373.46x = 134,134,452.58
  5. Step 5: Solve for x
    x = 134,134,452.58/11,373.46
  6. Step 6: Final answer
    x = 11,793.64

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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.