Home / 11,379.44-15,704.54-6,345.30

Finding the Fourth Proportional to 11,379.44, 15,704.54 and 6,345.30

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Solution

The fourth proportional to 11,379.44, 15,704.54 and 6,345.30 is: 8,757.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.44 : 15,704.54 = 6,345.30 : x
  2. Step 2: Convert to fraction form
    11,379.44/15,704.54 = 6,345.30/x
  3. Step 3: Cross multiply
    11,379.44x = 15,704.54 × 6,345.30
  4. Step 4: Simplify right side
    11,379.44x = 99,650,017.66
  5. Step 5: Solve for x
    x = 99,650,017.66/11,379.44
  6. Step 6: Final answer
    x = 8,757.02

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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.