Home / 18,032.40-27,043.74-12,224.70

Finding the Fourth Proportional to 18,032.40, 27,043.74 and 12,224.70

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Solution

The fourth proportional to 18,032.40, 27,043.74 and 12,224.70 is: 18,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,032.40 : 27,043.74 = 12,224.70 : x
  2. Step 2: Convert to fraction form
    18,032.40/27,043.74 = 12,224.70/x
  3. Step 3: Cross multiply
    18,032.40x = 27,043.74 × 12,224.70
  4. Step 4: Simplify right side
    18,032.40x = 330,601,608.38
  5. Step 5: Solve for x
    x = 330,601,608.38/18,032.40
  6. Step 6: Final answer
    x = 18,333.76

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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.