Home / 18,212.01-27,271.55-14,519.63

Finding the Fourth Proportional to 18,212.01, 27,271.55 and 14,519.63

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Solution

The fourth proportional to 18,212.01, 27,271.55 and 14,519.63 is: 21,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.01 : 27,271.55 = 14,519.63 : x
  2. Step 2: Convert to fraction form
    18,212.01/27,271.55 = 14,519.63/x
  3. Step 3: Cross multiply
    18,212.01x = 27,271.55 × 14,519.63
  4. Step 4: Simplify right side
    18,212.01x = 395,972,782.05
  5. Step 5: Solve for x
    x = 395,972,782.05/18,212.01
  6. Step 6: Final answer
    x = 21,742.39

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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.