Home / 10,379.75-14,324.45-5,903.91

Finding the Fourth Proportional to 10,379.75, 14,324.45 and 5,903.91

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Solution

The fourth proportional to 10,379.75, 14,324.45 and 5,903.91 is: 8,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.75 : 14,324.45 = 5,903.91 : x
  2. Step 2: Convert to fraction form
    10,379.75/14,324.45 = 5,903.91/x
  3. Step 3: Cross multiply
    10,379.75x = 14,324.45 × 5,903.91
  4. Step 4: Simplify right side
    10,379.75x = 84,570,234.08
  5. Step 5: Solve for x
    x = 84,570,234.08/10,379.75
  6. Step 6: Final answer
    x = 8,147.62

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1.5x scale

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.