Home / 9,515.80-14,271.62-3,191.57

Finding the Fourth Proportional to 9,515.80, 14,271.62 and 3,191.57

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Solution

The fourth proportional to 9,515.80, 14,271.62 and 3,191.57 is: 4,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.80 : 14,271.62 = 3,191.57 : x
  2. Step 2: Convert to fraction form
    9,515.80/14,271.62 = 3,191.57/x
  3. Step 3: Cross multiply
    9,515.80x = 14,271.62 × 3,191.57
  4. Step 4: Simplify right side
    9,515.80x = 45,548,905.93
  5. Step 5: Solve for x
    x = 45,548,905.93/9,515.80
  6. Step 6: Final answer
    x = 4,786.66

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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.