Home / 10,684.18-14,743.80-5,903.85

Finding the Fourth Proportional to 10,684.18, 14,743.80 and 5,903.85

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Solution

The fourth proportional to 10,684.18, 14,743.80 and 5,903.85 is: 8,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.18 : 14,743.80 = 5,903.85 : x
  2. Step 2: Convert to fraction form
    10,684.18/14,743.80 = 5,903.85/x
  3. Step 3: Cross multiply
    10,684.18x = 14,743.80 × 5,903.85
  4. Step 4: Simplify right side
    10,684.18x = 87,045,183.63
  5. Step 5: Solve for x
    x = 87,045,183.63/10,684.18
  6. Step 6: Final answer
    x = 8,147.11

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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.