Home / 18,664.24-27,996.42-12,803.08

Finding the Fourth Proportional to 18,664.24, 27,996.42 and 12,803.08

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Solution

The fourth proportional to 18,664.24, 27,996.42 and 12,803.08 is: 19,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.24 : 27,996.42 = 12,803.08 : x
  2. Step 2: Convert to fraction form
    18,664.24/27,996.42 = 12,803.08/x
  3. Step 3: Cross multiply
    18,664.24x = 27,996.42 × 12,803.08
  4. Step 4: Simplify right side
    18,664.24x = 358,440,404.97
  5. Step 5: Solve for x
    x = 358,440,404.97/18,664.24
  6. Step 6: Final answer
    x = 19,204.66

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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.