Home / 11,153.78-16,756.59-6,540.02

Finding the Fourth Proportional to 11,153.78, 16,756.59 and 6,540.02

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Solution

The fourth proportional to 11,153.78, 16,756.59 and 6,540.02 is: 9,825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.78 : 16,756.59 = 6,540.02 : x
  2. Step 2: Convert to fraction form
    11,153.78/16,756.59 = 6,540.02/x
  3. Step 3: Cross multiply
    11,153.78x = 16,756.59 × 6,540.02
  4. Step 4: Simplify right side
    11,153.78x = 109,588,433.73
  5. Step 5: Solve for x
    x = 109,588,433.73/11,153.78
  6. Step 6: Final answer
    x = 9,825.23

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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.