Home / 18,189.68-27,266.31-7,662.24

Finding the Fourth Proportional to 18,189.68, 27,266.31 and 7,662.24

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Solution

The fourth proportional to 18,189.68, 27,266.31 and 7,662.24 is: 11,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189.68 : 27,266.31 = 7,662.24 : x
  2. Step 2: Convert to fraction form
    18,189.68/27,266.31 = 7,662.24/x
  3. Step 3: Cross multiply
    18,189.68x = 27,266.31 × 7,662.24
  4. Step 4: Simplify right side
    18,189.68x = 208,921,011.13
  5. Step 5: Solve for x
    x = 208,921,011.13/18,189.68
  6. Step 6: Final answer
    x = 11,485.69

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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.