Home / 11,113.83-16,646.06-7,984.44

Finding the Fourth Proportional to 11,113.83, 16,646.06 and 7,984.44

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Solution

The fourth proportional to 11,113.83, 16,646.06 and 7,984.44 is: 11,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.83 : 16,646.06 = 7,984.44 : x
  2. Step 2: Convert to fraction form
    11,113.83/16,646.06 = 7,984.44/x
  3. Step 3: Cross multiply
    11,113.83x = 16,646.06 × 7,984.44
  4. Step 4: Simplify right side
    11,113.83x = 132,909,467.31
  5. Step 5: Solve for x
    x = 132,909,467.31/11,113.83
  6. Step 6: Final answer
    x = 11,958.93

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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.