Home / 11,518.44-15,896.73-6,483.88

Finding the Fourth Proportional to 11,518.44, 15,896.73 and 6,483.88

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Solution

The fourth proportional to 11,518.44, 15,896.73 and 6,483.88 is: 8,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.44 : 15,896.73 = 6,483.88 : x
  2. Step 2: Convert to fraction form
    11,518.44/15,896.73 = 6,483.88/x
  3. Step 3: Cross multiply
    11,518.44x = 15,896.73 × 6,483.88
  4. Step 4: Simplify right side
    11,518.44x = 103,072,489.71
  5. Step 5: Solve for x
    x = 103,072,489.71/11,518.44
  6. Step 6: Final answer
    x = 8,948.48

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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.