Home / 18,328.62-27,500.73-12,412.18

Finding the Fourth Proportional to 18,328.62, 27,500.73 and 12,412.18

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Solution

The fourth proportional to 18,328.62, 27,500.73 and 12,412.18 is: 18,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.62 : 27,500.73 = 12,412.18 : x
  2. Step 2: Convert to fraction form
    18,328.62/27,500.73 = 12,412.18/x
  3. Step 3: Cross multiply
    18,328.62x = 27,500.73 × 12,412.18
  4. Step 4: Simplify right side
    18,328.62x = 341,344,010.89
  5. Step 5: Solve for x
    x = 341,344,010.89/18,328.62
  6. Step 6: Final answer
    x = 18,623.55

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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.