Home / 11,278.98-16,918.34-4,614.08

Finding the Fourth Proportional to 11,278.98, 16,918.34 and 4,614.08

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Solution

The fourth proportional to 11,278.98, 16,918.34 and 4,614.08 is: 6,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.98 : 16,918.34 = 4,614.08 : x
  2. Step 2: Convert to fraction form
    11,278.98/16,918.34 = 4,614.08/x
  3. Step 3: Cross multiply
    11,278.98x = 16,918.34 × 4,614.08
  4. Step 4: Simplify right side
    11,278.98x = 78,062,466.57
  5. Step 5: Solve for x
    x = 78,062,466.57/11,278.98
  6. Step 6: Final answer
    x = 6,921.06

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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.