Home / 11,076-15,285.36-6,108

Finding the Fourth Proportional to 11,076, 15,285.36 and 6,108

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Solution

The fourth proportional to 11,076, 15,285.36 and 6,108 is: 8,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076 : 15,285.36 = 6,108 : x
  2. Step 2: Convert to fraction form
    11,076/15,285.36 = 6,108/x
  3. Step 3: Cross multiply
    11,076x = 15,285.36 × 6,108
  4. Step 4: Simplify right side
    11,076x = 93,362,978.88
  5. Step 5: Solve for x
    x = 93,362,978.88/11,076
  6. Step 6: Final answer
    x = 8,429.30

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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.