Home / 11,328.86-15,634.37-6,293.09

Finding the Fourth Proportional to 11,328.86, 15,634.37 and 6,293.09

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Solution

The fourth proportional to 11,328.86, 15,634.37 and 6,293.09 is: 8,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.86 : 15,634.37 = 6,293.09 : x
  2. Step 2: Convert to fraction form
    11,328.86/15,634.37 = 6,293.09/x
  3. Step 3: Cross multiply
    11,328.86x = 15,634.37 × 6,293.09
  4. Step 4: Simplify right side
    11,328.86x = 98,388,516.92
  5. Step 5: Solve for x
    x = 98,388,516.92/11,328.86
  6. Step 6: Final answer
    x = 8,684.77

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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.