Home / 18,260.45-27,404.53-12,323.28

Finding the Fourth Proportional to 18,260.45, 27,404.53 and 12,323.28

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Solution

The fourth proportional to 18,260.45, 27,404.53 and 12,323.28 is: 18,494.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.45 : 27,404.53 = 12,323.28 : x
  2. Step 2: Convert to fraction form
    18,260.45/27,404.53 = 12,323.28/x
  3. Step 3: Cross multiply
    18,260.45x = 27,404.53 × 12,323.28
  4. Step 4: Simplify right side
    18,260.45x = 337,713,696.46
  5. Step 5: Solve for x
    x = 337,713,696.46/18,260.45
  6. Step 6: Final answer
    x = 18,494.27

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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.