Home / 11,004.21-15,185.50-6,288.48

Finding the Fourth Proportional to 11,004.21, 15,185.50 and 6,288.48

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Solution

The fourth proportional to 11,004.21, 15,185.50 and 6,288.48 is: 8,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.21 : 15,185.50 = 6,288.48 : x
  2. Step 2: Convert to fraction form
    11,004.21/15,185.50 = 6,288.48/x
  3. Step 3: Cross multiply
    11,004.21x = 15,185.50 × 6,288.48
  4. Step 4: Simplify right side
    11,004.21x = 95,493,697.32
  5. Step 5: Solve for x
    x = 95,493,697.32/11,004.21
  6. Step 6: Final answer
    x = 8,677.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.