Home / 14,420.88-21,633.69-4,425.38

Finding the Fourth Proportional to 14,420.88, 21,633.69 and 4,425.38

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Solution

The fourth proportional to 14,420.88, 21,633.69 and 4,425.38 is: 6,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.88 : 21,633.69 = 4,425.38 : x
  2. Step 2: Convert to fraction form
    14,420.88/21,633.69 = 4,425.38/x
  3. Step 3: Cross multiply
    14,420.88x = 21,633.69 × 4,425.38
  4. Step 4: Simplify right side
    14,420.88x = 95,737,190.88
  5. Step 5: Solve for x
    x = 95,737,190.88/14,420.88
  6. Step 6: Final answer
    x = 6,638.79

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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.