Home / 12,384.12-17,095.14-9,234.84

Finding the Fourth Proportional to 12,384.12, 17,095.14 and 9,234.84

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Solution

The fourth proportional to 12,384.12, 17,095.14 and 9,234.84 is: 12,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384.12 : 17,095.14 = 9,234.84 : x
  2. Step 2: Convert to fraction form
    12,384.12/17,095.14 = 9,234.84/x
  3. Step 3: Cross multiply
    12,384.12x = 17,095.14 × 9,234.84
  4. Step 4: Simplify right side
    12,384.12x = 157,870,882.68
  5. Step 5: Solve for x
    x = 157,870,882.68/12,384.12
  6. Step 6: Final answer
    x = 12,747.85

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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.