Home / 18,131.04-27,181.98-7,735.50

Finding the Fourth Proportional to 18,131.04, 27,181.98 and 7,735.50

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Solution

The fourth proportional to 18,131.04, 27,181.98 and 7,735.50 is: 11,597.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.04 : 27,181.98 = 7,735.50 : x
  2. Step 2: Convert to fraction form
    18,131.04/27,181.98 = 7,735.50/x
  3. Step 3: Cross multiply
    18,131.04x = 27,181.98 × 7,735.50
  4. Step 4: Simplify right side
    18,131.04x = 210,266,206.29
  5. Step 5: Solve for x
    x = 210,266,206.29/18,131.04
  6. Step 6: Final answer
    x = 11,597.03

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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.