Home / 13,784.02-20,682.87-5,463.85

Finding the Fourth Proportional to 13,784.02, 20,682.87 and 5,463.85

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Solution

The fourth proportional to 13,784.02, 20,682.87 and 5,463.85 is: 8,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.02 : 20,682.87 = 5,463.85 : x
  2. Step 2: Convert to fraction form
    13,784.02/20,682.87 = 5,463.85/x
  3. Step 3: Cross multiply
    13,784.02x = 20,682.87 × 5,463.85
  4. Step 4: Simplify right side
    13,784.02x = 113,008,071.93
  5. Step 5: Solve for x
    x = 113,008,071.93/13,784.02
  6. Step 6: Final answer
    x = 8,198.48

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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.