Home / 12,190.52-18,285.78-2,956.52

Finding the Fourth Proportional to 12,190.52, 18,285.78 and 2,956.52

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Solution

The fourth proportional to 12,190.52, 18,285.78 and 2,956.52 is: 4,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.52 : 18,285.78 = 2,956.52 : x
  2. Step 2: Convert to fraction form
    12,190.52/18,285.78 = 2,956.52/x
  3. Step 3: Cross multiply
    12,190.52x = 18,285.78 × 2,956.52
  4. Step 4: Simplify right side
    12,190.52x = 54,062,274.29
  5. Step 5: Solve for x
    x = 54,062,274.29/12,190.52
  6. Step 6: Final answer
    x = 4,434.78

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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.