Home / 9,360.44-12,911.38-6,172.82

Finding the Fourth Proportional to 9,360.44, 12,911.38 and 6,172.82

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Solution

The fourth proportional to 9,360.44, 12,911.38 and 6,172.82 is: 8,514.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.44 : 12,911.38 = 6,172.82 : x
  2. Step 2: Convert to fraction form
    9,360.44/12,911.38 = 6,172.82/x
  3. Step 3: Cross multiply
    9,360.44x = 12,911.38 × 6,172.82
  4. Step 4: Simplify right side
    9,360.44x = 79,699,624.69
  5. Step 5: Solve for x
    x = 79,699,624.69/9,360.44
  6. Step 6: Final answer
    x = 8,514.52

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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.