Home / 11,101.82-15,321.23-6,386.00

Finding the Fourth Proportional to 11,101.82, 15,321.23 and 6,386.00

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Solution

The fourth proportional to 11,101.82, 15,321.23 and 6,386.00 is: 8,813.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.82 : 15,321.23 = 6,386.00 : x
  2. Step 2: Convert to fraction form
    11,101.82/15,321.23 = 6,386.00/x
  3. Step 3: Cross multiply
    11,101.82x = 15,321.23 × 6,386.00
  4. Step 4: Simplify right side
    11,101.82x = 97,841,266.24
  5. Step 5: Solve for x
    x = 97,841,266.24/11,101.82
  6. Step 6: Final answer
    x = 8,813.09

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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.