Home / 13,107.92-19,642.44-9,628.16

Finding the Fourth Proportional to 13,107.92, 19,642.44 and 9,628.16

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Solution

The fourth proportional to 13,107.92, 19,642.44 and 9,628.16 is: 14,427.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.92 : 19,642.44 = 9,628.16 : x
  2. Step 2: Convert to fraction form
    13,107.92/19,642.44 = 9,628.16/x
  3. Step 3: Cross multiply
    13,107.92x = 19,642.44 × 9,628.16
  4. Step 4: Simplify right side
    13,107.92x = 189,120,604.22
  5. Step 5: Solve for x
    x = 189,120,604.22/13,107.92
  6. Step 6: Final answer
    x = 14,427.96

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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.