Home / 10,728.20-16,094.45-3,708.47

Finding the Fourth Proportional to 10,728.20, 16,094.45 and 3,708.47

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Solution

The fourth proportional to 10,728.20, 16,094.45 and 3,708.47 is: 5,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.20 : 16,094.45 = 3,708.47 : x
  2. Step 2: Convert to fraction form
    10,728.20/16,094.45 = 3,708.47/x
  3. Step 3: Cross multiply
    10,728.20x = 16,094.45 × 3,708.47
  4. Step 4: Simplify right side
    10,728.20x = 59,685,784.99
  5. Step 5: Solve for x
    x = 59,685,784.99/10,728.20
  6. Step 6: Final answer
    x = 5,563.45

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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.