Home / 11,651.95-16,079.16-6,346.45

Finding the Fourth Proportional to 11,651.95, 16,079.16 and 6,346.45

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Solution

The fourth proportional to 11,651.95, 16,079.16 and 6,346.45 is: 8,757.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.95 : 16,079.16 = 6,346.45 : x
  2. Step 2: Convert to fraction form
    11,651.95/16,079.16 = 6,346.45/x
  3. Step 3: Cross multiply
    11,651.95x = 16,079.16 × 6,346.45
  4. Step 4: Simplify right side
    11,651.95x = 102,045,584.98
  5. Step 5: Solve for x
    x = 102,045,584.98/11,651.95
  6. Step 6: Final answer
    x = 8,757.81

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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.