Home / 11,466.83-15,819.36-6,989.96

Finding the Fourth Proportional to 11,466.83, 15,819.36 and 6,989.96

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Solution

The fourth proportional to 11,466.83, 15,819.36 and 6,989.96 is: 9,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,466.83 : 15,819.36 = 6,989.96 : x
  2. Step 2: Convert to fraction form
    11,466.83/15,819.36 = 6,989.96/x
  3. Step 3: Cross multiply
    11,466.83x = 15,819.36 × 6,989.96
  4. Step 4: Simplify right side
    11,466.83x = 110,576,693.63
  5. Step 5: Solve for x
    x = 110,576,693.63/11,466.83
  6. Step 6: Final answer
    x = 9,643.18

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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.