Home / 11,290.92-16,914.48-6,345.48

Finding the Fourth Proportional to 11,290.92, 16,914.48 and 6,345.48

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Solution

The fourth proportional to 11,290.92, 16,914.48 and 6,345.48 is: 9,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.92 : 16,914.48 = 6,345.48 : x
  2. Step 2: Convert to fraction form
    11,290.92/16,914.48 = 6,345.48/x
  3. Step 3: Cross multiply
    11,290.92x = 16,914.48 × 6,345.48
  4. Step 4: Simplify right side
    11,290.92x = 107,330,494.55
  5. Step 5: Solve for x
    x = 107,330,494.55/11,290.92
  6. Step 6: Final answer
    x = 9,505.91

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1.5x scale

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.