Home / 11,891.21-16,409.72-6,585.98

Finding the Fourth Proportional to 11,891.21, 16,409.72 and 6,585.98

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Solution

The fourth proportional to 11,891.21, 16,409.72 and 6,585.98 is: 9,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.21 : 16,409.72 = 6,585.98 : x
  2. Step 2: Convert to fraction form
    11,891.21/16,409.72 = 6,585.98/x
  3. Step 3: Cross multiply
    11,891.21x = 16,409.72 × 6,585.98
  4. Step 4: Simplify right side
    11,891.21x = 108,074,022.14
  5. Step 5: Solve for x
    x = 108,074,022.14/11,891.21
  6. Step 6: Final answer
    x = 9,088.57

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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.