Home / 13,160.88-19,727.68-5,763.92

Finding the Fourth Proportional to 13,160.88, 19,727.68 and 5,763.92

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Solution

The fourth proportional to 13,160.88, 19,727.68 and 5,763.92 is: 8,639.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.88 : 19,727.68 = 5,763.92 : x
  2. Step 2: Convert to fraction form
    13,160.88/19,727.68 = 5,763.92/x
  3. Step 3: Cross multiply
    13,160.88x = 19,727.68 × 5,763.92
  4. Step 4: Simplify right side
    13,160.88x = 113,708,769.31
  5. Step 5: Solve for x
    x = 113,708,769.31/13,160.88
  6. Step 6: Final answer
    x = 8,639.91

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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.