Home / 19,650.60-29,499.93-12,992.85

Finding the Fourth Proportional to 19,650.60, 29,499.93 and 12,992.85

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Solution

The fourth proportional to 19,650.60, 29,499.93 and 12,992.85 is: 19,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.60 : 29,499.93 = 12,992.85 : x
  2. Step 2: Convert to fraction form
    19,650.60/29,499.93 = 12,992.85/x
  3. Step 3: Cross multiply
    19,650.60x = 29,499.93 × 12,992.85
  4. Step 4: Simplify right side
    19,650.60x = 383,288,165.50
  5. Step 5: Solve for x
    x = 383,288,165.50/19,650.60
  6. Step 6: Final answer
    x = 19,505.16

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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.