Home / 11,891.09-16,409.69-6,585.92

Finding the Fourth Proportional to 11,891.09, 16,409.69 and 6,585.92

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Solution

The fourth proportional to 11,891.09, 16,409.69 and 6,585.92 is: 9,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.09 : 16,409.69 = 6,585.92 : x
  2. Step 2: Convert to fraction form
    11,891.09/16,409.69 = 6,585.92/x
  3. Step 3: Cross multiply
    11,891.09x = 16,409.69 × 6,585.92
  4. Step 4: Simplify right side
    11,891.09x = 108,072,913.66
  5. Step 5: Solve for x
    x = 108,072,913.66/11,891.09
  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.