Home / 12,021.84-18,018.48-5,000.37

Finding the Fourth Proportional to 12,021.84, 18,018.48 and 5,000.37

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Solution

The fourth proportional to 12,021.84, 18,018.48 and 5,000.37 is: 7,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.84 : 18,018.48 = 5,000.37 : x
  2. Step 2: Convert to fraction form
    12,021.84/18,018.48 = 5,000.37/x
  3. Step 3: Cross multiply
    12,021.84x = 18,018.48 × 5,000.37
  4. Step 4: Simplify right side
    12,021.84x = 90,099,066.84
  5. Step 5: Solve for x
    x = 90,099,066.84/12,021.84
  6. Step 6: Final answer
    x = 7,494.62

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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.