Home / 11,655.05-16,083.97-6,349.75

Finding the Fourth Proportional to 11,655.05, 16,083.97 and 6,349.75

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Solution

The fourth proportional to 11,655.05, 16,083.97 and 6,349.75 is: 8,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.05 : 16,083.97 = 6,349.75 : x
  2. Step 2: Convert to fraction form
    11,655.05/16,083.97 = 6,349.75/x
  3. Step 3: Cross multiply
    11,655.05x = 16,083.97 × 6,349.75
  4. Step 4: Simplify right side
    11,655.05x = 102,129,132.42
  5. Step 5: Solve for x
    x = 102,129,132.42/11,655.05
  6. Step 6: Final answer
    x = 8,762.65

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1.5x scale

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.