Home / 11,995.79-16,554.24-6,618.41

Finding the Fourth Proportional to 11,995.79, 16,554.24 and 6,618.41

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Solution

The fourth proportional to 11,995.79, 16,554.24 and 6,618.41 is: 9,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.79 : 16,554.24 = 6,618.41 : x
  2. Step 2: Convert to fraction form
    11,995.79/16,554.24 = 6,618.41/x
  3. Step 3: Cross multiply
    11,995.79x = 16,554.24 × 6,618.41
  4. Step 4: Simplify right side
    11,995.79x = 109,562,664.79
  5. Step 5: Solve for x
    x = 109,562,664.79/11,995.79
  6. Step 6: Final answer
    x = 9,133.43

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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.