Home / 18,150.60-27,209.46-12,606.56

Finding the Fourth Proportional to 18,150.60, 27,209.46 and 12,606.56

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Solution

The fourth proportional to 18,150.60, 27,209.46 and 12,606.56 is: 18,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.60 : 27,209.46 = 12,606.56 : x
  2. Step 2: Convert to fraction form
    18,150.60/27,209.46 = 12,606.56/x
  3. Step 3: Cross multiply
    18,150.60x = 27,209.46 × 12,606.56
  4. Step 4: Simplify right side
    18,150.60x = 343,017,690.06
  5. Step 5: Solve for x
    x = 343,017,690.06/18,150.60
  6. Step 6: Final answer
    x = 18,898.42

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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.