Home / 14,520.96-21,779.39-4,658.96

Finding the Fourth Proportional to 14,520.96, 21,779.39 and 4,658.96

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Solution

The fourth proportional to 14,520.96, 21,779.39 and 4,658.96 is: 6,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.96 : 21,779.39 = 4,658.96 : x
  2. Step 2: Convert to fraction form
    14,520.96/21,779.39 = 4,658.96/x
  3. Step 3: Cross multiply
    14,520.96x = 21,779.39 × 4,658.96
  4. Step 4: Simplify right side
    14,520.96x = 101,469,306.83
  5. Step 5: Solve for x
    x = 101,469,306.83/14,520.96
  6. Step 6: Final answer
    x = 6,987.78

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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.