Home / 12,234.48-18,306.36-7,306.80

Finding the Fourth Proportional to 12,234.48, 18,306.36 and 7,306.80

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Solution

The fourth proportional to 12,234.48, 18,306.36 and 7,306.80 is: 10,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.48 : 18,306.36 = 7,306.80 : x
  2. Step 2: Convert to fraction form
    12,234.48/18,306.36 = 7,306.80/x
  3. Step 3: Cross multiply
    12,234.48x = 18,306.36 × 7,306.80
  4. Step 4: Simplify right side
    12,234.48x = 133,760,911.25
  5. Step 5: Solve for x
    x = 133,760,911.25/12,234.48
  6. Step 6: Final answer
    x = 10,933.11

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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.