Home / 18,222.05-27,267.99-13,230.23

Finding the Fourth Proportional to 18,222.05, 27,267.99 and 13,230.23

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Solution

The fourth proportional to 18,222.05, 27,267.99 and 13,230.23 is: 19,798.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.05 : 27,267.99 = 13,230.23 : x
  2. Step 2: Convert to fraction form
    18,222.05/27,267.99 = 13,230.23/x
  3. Step 3: Cross multiply
    18,222.05x = 27,267.99 × 13,230.23
  4. Step 4: Simplify right side
    18,222.05x = 360,761,643.00
  5. Step 5: Solve for x
    x = 360,761,643.00/18,222.05
  6. Step 6: Final answer
    x = 19,798.09

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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.