Home / 10,728.27-16,087.85-4,153.23

Finding the Fourth Proportional to 10,728.27, 16,087.85 and 4,153.23

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Solution

The fourth proportional to 10,728.27, 16,087.85 and 4,153.23 is: 6,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.27 : 16,087.85 = 4,153.23 : x
  2. Step 2: Convert to fraction form
    10,728.27/16,087.85 = 4,153.23/x
  3. Step 3: Cross multiply
    10,728.27x = 16,087.85 × 4,153.23
  4. Step 4: Simplify right side
    10,728.27x = 66,816,520.49
  5. Step 5: Solve for x
    x = 66,816,520.49/10,728.27
  6. Step 6: Final answer
    x = 6,228.08

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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.