Home / 12,623.22-18,934.91-5,223.68

Finding the Fourth Proportional to 12,623.22, 18,934.91 and 5,223.68

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Solution

The fourth proportional to 12,623.22, 18,934.91 and 5,223.68 is: 7,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.22 : 18,934.91 = 5,223.68 : x
  2. Step 2: Convert to fraction form
    12,623.22/18,934.91 = 5,223.68/x
  3. Step 3: Cross multiply
    12,623.22x = 18,934.91 × 5,223.68
  4. Step 4: Simplify right side
    12,623.22x = 98,909,789.88
  5. Step 5: Solve for x
    x = 98,909,789.88/12,623.22
  6. Step 6: Final answer
    x = 7,835.54

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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.