Home / 18,012.42-27,021.51-7,624.26

Finding the Fourth Proportional to 18,012.42, 27,021.51 and 7,624.26

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Solution

The fourth proportional to 18,012.42, 27,021.51 and 7,624.26 is: 11,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.42 : 27,021.51 = 7,624.26 : x
  2. Step 2: Convert to fraction form
    18,012.42/27,021.51 = 7,624.26/x
  3. Step 3: Cross multiply
    18,012.42x = 27,021.51 × 7,624.26
  4. Step 4: Simplify right side
    18,012.42x = 206,019,017.83
  5. Step 5: Solve for x
    x = 206,019,017.83/18,012.42
  6. Step 6: Final answer
    x = 11,437.61

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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.