Home / 10,728.24-16,087.80-4,888.56

Finding the Fourth Proportional to 10,728.24, 16,087.80 and 4,888.56

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Solution

The fourth proportional to 10,728.24, 16,087.80 and 4,888.56 is: 7,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.24 : 16,087.80 = 4,888.56 : x
  2. Step 2: Convert to fraction form
    10,728.24/16,087.80 = 4,888.56/x
  3. Step 3: Cross multiply
    10,728.24x = 16,087.80 × 4,888.56
  4. Step 4: Simplify right side
    10,728.24x = 78,646,175.57
  5. Step 5: Solve for x
    x = 78,646,175.57/10,728.24
  6. Step 6: Final answer
    x = 7,330.76

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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.