Home / 11,651.40-16,079.01-6,346.17

Finding the Fourth Proportional to 11,651.40, 16,079.01 and 6,346.17

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Solution

The fourth proportional to 11,651.40, 16,079.01 and 6,346.17 is: 8,757.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.40 : 16,079.01 = 6,346.17 : x
  2. Step 2: Convert to fraction form
    11,651.40/16,079.01 = 6,346.17/x
  3. Step 3: Cross multiply
    11,651.40x = 16,079.01 × 6,346.17
  4. Step 4: Simplify right side
    11,651.40x = 102,040,130.89
  5. Step 5: Solve for x
    x = 102,040,130.89/11,651.40
  6. Step 6: Final answer
    x = 8,757.76

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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.