Home / 11,986.84-16,541.51-6,882.21

Finding the Fourth Proportional to 11,986.84, 16,541.51 and 6,882.21

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Solution

The fourth proportional to 11,986.84, 16,541.51 and 6,882.21 is: 9,497.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.84 : 16,541.51 = 6,882.21 : x
  2. Step 2: Convert to fraction form
    11,986.84/16,541.51 = 6,882.21/x
  3. Step 3: Cross multiply
    11,986.84x = 16,541.51 × 6,882.21
  4. Step 4: Simplify right side
    11,986.84x = 113,842,111.13
  5. Step 5: Solve for x
    x = 113,842,111.13/11,986.84
  6. Step 6: Final answer
    x = 9,497.26

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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.