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Finding the Fourth Proportional to 11,992.92, 17,977.08 and 4,595.46

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Solution

The fourth proportional to 11,992.92, 17,977.08 and 4,595.46 is: 6,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.92 : 17,977.08 = 4,595.46 : x
  2. Step 2: Convert to fraction form
    11,992.92/17,977.08 = 4,595.46/x
  3. Step 3: Cross multiply
    11,992.92x = 17,977.08 × 4,595.46
  4. Step 4: Simplify right side
    11,992.92x = 82,612,952.06
  5. Step 5: Solve for x
    x = 82,612,952.06/11,992.92
  6. Step 6: Final answer
    x = 6,888.48

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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.