Home / 11,721.96-16,182.18-9,063.36

Finding the Fourth Proportional to 11,721.96, 16,182.18 and 9,063.36

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Solution

The fourth proportional to 11,721.96, 16,182.18 and 9,063.36 is: 12,511.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.96 : 16,182.18 = 9,063.36 : x
  2. Step 2: Convert to fraction form
    11,721.96/16,182.18 = 9,063.36/x
  3. Step 3: Cross multiply
    11,721.96x = 16,182.18 × 9,063.36
  4. Step 4: Simplify right side
    11,721.96x = 146,664,922.92
  5. Step 5: Solve for x
    x = 146,664,922.92/11,721.96
  6. Step 6: Final answer
    x = 12,511.98

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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.