Home / 9,012.85-13,519.76-2,777.15

Finding the Fourth Proportional to 9,012.85, 13,519.76 and 2,777.15

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Solution

The fourth proportional to 9,012.85, 13,519.76 and 2,777.15 is: 4,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.85 : 13,519.76 = 2,777.15 : x
  2. Step 2: Convert to fraction form
    9,012.85/13,519.76 = 2,777.15/x
  3. Step 3: Cross multiply
    9,012.85x = 13,519.76 × 2,777.15
  4. Step 4: Simplify right side
    9,012.85x = 37,546,379.98
  5. Step 5: Solve for x
    x = 37,546,379.98/9,012.85
  6. Step 6: Final answer
    x = 4,165.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.