Home / 10,727.82-14,811.24-8,743.12

Finding the Fourth Proportional to 10,727.82, 14,811.24 and 8,743.12

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Solution

The fourth proportional to 10,727.82, 14,811.24 and 8,743.12 is: 12,071.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,727.82 : 14,811.24 = 8,743.12 : x
  2. Step 2: Convert to fraction form
    10,727.82/14,811.24 = 8,743.12/x
  3. Step 3: Cross multiply
    10,727.82x = 14,811.24 × 8,743.12
  4. Step 4: Simplify right side
    10,727.82x = 129,496,448.67
  5. Step 5: Solve for x
    x = 129,496,448.67/10,727.82
  6. Step 6: Final answer
    x = 12,071.09

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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.