Home / 18,421.00-27,636.89-5,940.77

Finding the Fourth Proportional to 18,421.00, 27,636.89 and 5,940.77

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Solution

The fourth proportional to 18,421.00, 27,636.89 and 5,940.77 is: 8,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421.00 : 27,636.89 = 5,940.77 : x
  2. Step 2: Convert to fraction form
    18,421.00/27,636.89 = 5,940.77/x
  3. Step 3: Cross multiply
    18,421.00x = 27,636.89 × 5,940.77
  4. Step 4: Simplify right side
    18,421.00x = 164,184,239.12
  5. Step 5: Solve for x
    x = 164,184,239.12/18,421.00
  6. Step 6: Final answer
    x = 8,912.89

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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.