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Finding the Fourth Proportional to 11,618, 16,032.84 and 6,650

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Solution

The fourth proportional to 11,618, 16,032.84 and 6,650 is: 9,177

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618 : 16,032.84 = 6,650 : x
  2. Step 2: Convert to fraction form
    11,618/16,032.84 = 6,650/x
  3. Step 3: Cross multiply
    11,618x = 16,032.84 × 6,650
  4. Step 4: Simplify right side
    11,618x = 106,618,386
  5. Step 5: Solve for x
    x = 106,618,386/11,618
  6. Step 6: Final answer
    x = 9,177

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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.