Home / 13,234.93-18,262.84-7,929.61

Finding the Fourth Proportional to 13,234.93, 18,262.84 and 7,929.61

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Solution

The fourth proportional to 13,234.93, 18,262.84 and 7,929.61 is: 10,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.93 : 18,262.84 = 7,929.61 : x
  2. Step 2: Convert to fraction form
    13,234.93/18,262.84 = 7,929.61/x
  3. Step 3: Cross multiply
    13,234.93x = 18,262.84 × 7,929.61
  4. Step 4: Simplify right side
    13,234.93x = 144,817,198.69
  5. Step 5: Solve for x
    x = 144,817,198.69/13,234.93
  6. Step 6: Final answer
    x = 10,942.04

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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.