Home / 11,161.04-16,718.88-8,957.84

Finding the Fourth Proportional to 11,161.04, 16,718.88 and 8,957.84

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Solution

The fourth proportional to 11,161.04, 16,718.88 and 8,957.84 is: 13,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.04 : 16,718.88 = 8,957.84 : x
  2. Step 2: Convert to fraction form
    11,161.04/16,718.88 = 8,957.84/x
  3. Step 3: Cross multiply
    11,161.04x = 16,718.88 × 8,957.84
  4. Step 4: Simplify right side
    11,161.04x = 149,765,052.02
  5. Step 5: Solve for x
    x = 149,765,052.02/11,161.04
  6. Step 6: Final answer
    x = 13,418.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.