Home / 11,324.45-15,627.90-6,288.98

Finding the Fourth Proportional to 11,324.45, 15,627.90 and 6,288.98

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Solution

The fourth proportional to 11,324.45, 15,627.90 and 6,288.98 is: 8,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.45 : 15,627.90 = 6,288.98 : x
  2. Step 2: Convert to fraction form
    11,324.45/15,627.90 = 6,288.98/x
  3. Step 3: Cross multiply
    11,324.45x = 15,627.90 × 6,288.98
  4. Step 4: Simplify right side
    11,324.45x = 98,283,550.54
  5. Step 5: Solve for x
    x = 98,283,550.54/11,324.45
  6. Step 6: Final answer
    x = 8,678.88

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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.