Home / 10,855.23-14,980.38-6,379.59

Finding the Fourth Proportional to 10,855.23, 14,980.38 and 6,379.59

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Solution

The fourth proportional to 10,855.23, 14,980.38 and 6,379.59 is: 8,803.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.23 : 14,980.38 = 6,379.59 : x
  2. Step 2: Convert to fraction form
    10,855.23/14,980.38 = 6,379.59/x
  3. Step 3: Cross multiply
    10,855.23x = 14,980.38 × 6,379.59
  4. Step 4: Simplify right side
    10,855.23x = 95,568,682.44
  5. Step 5: Solve for x
    x = 95,568,682.44/10,855.23
  6. Step 6: Final answer
    x = 8,803.93

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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.