Home / 10,379.50-15,576.73-4,135.91

Finding the Fourth Proportional to 10,379.50, 15,576.73 and 4,135.91

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Solution

The fourth proportional to 10,379.50, 15,576.73 and 4,135.91 is: 6,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.50 : 15,576.73 = 4,135.91 : x
  2. Step 2: Convert to fraction form
    10,379.50/15,576.73 = 4,135.91/x
  3. Step 3: Cross multiply
    10,379.50x = 15,576.73 × 4,135.91
  4. Step 4: Simplify right side
    10,379.50x = 64,423,865.15
  5. Step 5: Solve for x
    x = 64,423,865.15/10,379.50
  6. Step 6: Final answer
    x = 6,206.84

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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.