Home / 9,239.12-13,855.43-5,723.75

Finding the Fourth Proportional to 9,239.12, 13,855.43 and 5,723.75

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Solution

The fourth proportional to 9,239.12, 13,855.43 and 5,723.75 is: 8,583.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.12 : 13,855.43 = 5,723.75 : x
  2. Step 2: Convert to fraction form
    9,239.12/13,855.43 = 5,723.75/x
  3. Step 3: Cross multiply
    9,239.12x = 13,855.43 × 5,723.75
  4. Step 4: Simplify right side
    9,239.12x = 79,305,066.41
  5. Step 5: Solve for x
    x = 79,305,066.41/9,239.12
  6. Step 6: Final answer
    x = 8,583.62

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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.