Home / 15,793.30-21,779.61-12,202.54

Finding the Fourth Proportional to 15,793.30, 21,779.61 and 12,202.54

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Solution

The fourth proportional to 15,793.30, 21,779.61 and 12,202.54 is: 16,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793.30 : 21,779.61 = 12,202.54 : x
  2. Step 2: Convert to fraction form
    15,793.30/21,779.61 = 12,202.54/x
  3. Step 3: Cross multiply
    15,793.30x = 21,779.61 × 12,202.54
  4. Step 4: Simplify right side
    15,793.30x = 265,766,562.21
  5. Step 5: Solve for x
    x = 265,766,562.21/15,793.30
  6. Step 6: Final answer
    x = 16,827.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.