Home / 11,129.74-15,359.01-6,653.27

Finding the Fourth Proportional to 11,129.74, 15,359.01 and 6,653.27

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Solution

The fourth proportional to 11,129.74, 15,359.01 and 6,653.27 is: 9,181.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.74 : 15,359.01 = 6,653.27 : x
  2. Step 2: Convert to fraction form
    11,129.74/15,359.01 = 6,653.27/x
  3. Step 3: Cross multiply
    11,129.74x = 15,359.01 × 6,653.27
  4. Step 4: Simplify right side
    11,129.74x = 102,187,640.46
  5. Step 5: Solve for x
    x = 102,187,640.46/11,129.74
  6. Step 6: Final answer
    x = 9,181.49

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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.