Home / 11,095.64-15,313.92-6,619.68

Finding the Fourth Proportional to 11,095.64, 15,313.92 and 6,619.68

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Solution

The fourth proportional to 11,095.64, 15,313.92 and 6,619.68 is: 9,136.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,095.64 : 15,313.92 = 6,619.68 : x
  2. Step 2: Convert to fraction form
    11,095.64/15,313.92 = 6,619.68/x
  3. Step 3: Cross multiply
    11,095.64x = 15,313.92 × 6,619.68
  4. Step 4: Simplify right side
    11,095.64x = 101,373,249.95
  5. Step 5: Solve for x
    x = 101,373,249.95/11,095.64
  6. Step 6: Final answer
    x = 9,136.31

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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.