Home / 12,150.90-18,234.45-5,573.70

Finding the Fourth Proportional to 12,150.90, 18,234.45 and 5,573.70

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Solution

The fourth proportional to 12,150.90, 18,234.45 and 5,573.70 is: 8,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.90 : 18,234.45 = 5,573.70 : x
  2. Step 2: Convert to fraction form
    12,150.90/18,234.45 = 5,573.70/x
  3. Step 3: Cross multiply
    12,150.90x = 18,234.45 × 5,573.70
  4. Step 4: Simplify right side
    12,150.90x = 101,633,353.97
  5. Step 5: Solve for x
    x = 101,633,353.97/12,150.90
  6. Step 6: Final answer
    x = 8,364.27

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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.