Home / 9,731.55-13,424.13-6,379.77

Finding the Fourth Proportional to 9,731.55, 13,424.13 and 6,379.77

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Solution

The fourth proportional to 9,731.55, 13,424.13 and 6,379.77 is: 8,800.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731.55 : 13,424.13 = 6,379.77 : x
  2. Step 2: Convert to fraction form
    9,731.55/13,424.13 = 6,379.77/x
  3. Step 3: Cross multiply
    9,731.55x = 13,424.13 × 6,379.77
  4. Step 4: Simplify right side
    9,731.55x = 85,642,861.85
  5. Step 5: Solve for x
    x = 85,642,861.85/9,731.55
  6. Step 6: Final answer
    x = 8,800.54

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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.