Home / 11,004.42-15,185.82-6,288.39

Finding the Fourth Proportional to 11,004.42, 15,185.82 and 6,288.39

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Solution

The fourth proportional to 11,004.42, 15,185.82 and 6,288.39 is: 8,677.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.42 : 15,185.82 = 6,288.39 : x
  2. Step 2: Convert to fraction form
    11,004.42/15,185.82 = 6,288.39/x
  3. Step 3: Cross multiply
    11,004.42x = 15,185.82 × 6,288.39
  4. Step 4: Simplify right side
    11,004.42x = 95,494,358.63
  5. Step 5: Solve for x
    x = 95,494,358.63/11,004.42
  6. Step 6: Final answer
    x = 8,677.82

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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.