Home / 18,237.56-27,356.94-12,996.05

Finding the Fourth Proportional to 18,237.56, 27,356.94 and 12,996.05

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Solution

The fourth proportional to 18,237.56, 27,356.94 and 12,996.05 is: 19,494.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.56 : 27,356.94 = 12,996.05 : x
  2. Step 2: Convert to fraction form
    18,237.56/27,356.94 = 12,996.05/x
  3. Step 3: Cross multiply
    18,237.56x = 27,356.94 × 12,996.05
  4. Step 4: Simplify right side
    18,237.56x = 355,532,023.30
  5. Step 5: Solve for x
    x = 355,532,023.30/18,237.56
  6. Step 6: Final answer
    x = 19,494.50

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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.