Home / 9,185.93-13,786.89-5,245.08

Finding the Fourth Proportional to 9,185.93, 13,786.89 and 5,245.08

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Solution

The fourth proportional to 9,185.93, 13,786.89 and 5,245.08 is: 7,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.93 : 13,786.89 = 5,245.08 : x
  2. Step 2: Convert to fraction form
    9,185.93/13,786.89 = 5,245.08/x
  3. Step 3: Cross multiply
    9,185.93x = 13,786.89 × 5,245.08
  4. Step 4: Simplify right side
    9,185.93x = 72,313,299.13
  5. Step 5: Solve for x
    x = 72,313,299.13/9,185.93
  6. Step 6: Final answer
    x = 7,872.18

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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.