Home / 11,184.72-16,777.80-6,558

Finding the Fourth Proportional to 11,184.72, 16,777.80 and 6,558

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Solution

The fourth proportional to 11,184.72, 16,777.80 and 6,558 is: 9,837.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.72 : 16,777.80 = 6,558 : x
  2. Step 2: Convert to fraction form
    11,184.72/16,777.80 = 6,558/x
  3. Step 3: Cross multiply
    11,184.72x = 16,777.80 × 6,558
  4. Step 4: Simplify right side
    11,184.72x = 110,028,812.40
  5. Step 5: Solve for x
    x = 110,028,812.40/11,184.72
  6. Step 6: Final answer
    x = 9,837.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.