Home / 9,676.18-14,519.67-4,128.90

Finding the Fourth Proportional to 9,676.18, 14,519.67 and 4,128.90

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Solution

The fourth proportional to 9,676.18, 14,519.67 and 4,128.90 is: 6,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,676.18 : 14,519.67 = 4,128.90 : x
  2. Step 2: Convert to fraction form
    9,676.18/14,519.67 = 4,128.90/x
  3. Step 3: Cross multiply
    9,676.18x = 14,519.67 × 4,128.90
  4. Step 4: Simplify right side
    9,676.18x = 59,950,265.46
  5. Step 5: Solve for x
    x = 59,950,265.46/9,676.18
  6. Step 6: Final answer
    x = 6,195.65

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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.