Home / 11,267.92-16,894.68-5,412.88

Finding the Fourth Proportional to 11,267.92, 16,894.68 and 5,412.88

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Solution

The fourth proportional to 11,267.92, 16,894.68 and 5,412.88 is: 8,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.92 : 16,894.68 = 5,412.88 : x
  2. Step 2: Convert to fraction form
    11,267.92/16,894.68 = 5,412.88/x
  3. Step 3: Cross multiply
    11,267.92x = 16,894.68 × 5,412.88
  4. Step 4: Simplify right side
    11,267.92x = 91,448,875.48
  5. Step 5: Solve for x
    x = 91,448,875.48/11,267.92
  6. Step 6: Final answer
    x = 8,115.86

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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.