Home / 11,918.85-16,448.31-6,541.53

Finding the Fourth Proportional to 11,918.85, 16,448.31 and 6,541.53

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Solution

The fourth proportional to 11,918.85, 16,448.31 and 6,541.53 is: 9,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.85 : 16,448.31 = 6,541.53 : x
  2. Step 2: Convert to fraction form
    11,918.85/16,448.31 = 6,541.53/x
  3. Step 3: Cross multiply
    11,918.85x = 16,448.31 × 6,541.53
  4. Step 4: Simplify right side
    11,918.85x = 107,597,113.31
  5. Step 5: Solve for x
    x = 107,597,113.31/11,918.85
  6. Step 6: Final answer
    x = 9,027.47

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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.