Home / 11,940.06-16,476.42-6,561.66

Finding the Fourth Proportional to 11,940.06, 16,476.42 and 6,561.66

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Solution

The fourth proportional to 11,940.06, 16,476.42 and 6,561.66 is: 9,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.06 : 16,476.42 = 6,561.66 : x
  2. Step 2: Convert to fraction form
    11,940.06/16,476.42 = 6,561.66/x
  3. Step 3: Cross multiply
    11,940.06x = 16,476.42 × 6,561.66
  4. Step 4: Simplify right side
    11,940.06x = 108,112,666.06
  5. Step 5: Solve for x
    x = 108,112,666.06/11,940.06
  6. Step 6: Final answer
    x = 9,054.62

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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.