Home / 18,576.54-25,628.90-12,206.57

Finding the Fourth Proportional to 18,576.54, 25,628.90 and 12,206.57

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Solution

The fourth proportional to 18,576.54, 25,628.90 and 12,206.57 is: 16,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.54 : 25,628.90 = 12,206.57 : x
  2. Step 2: Convert to fraction form
    18,576.54/25,628.90 = 12,206.57/x
  3. Step 3: Cross multiply
    18,576.54x = 25,628.90 × 12,206.57
  4. Step 4: Simplify right side
    18,576.54x = 312,840,961.87
  5. Step 5: Solve for x
    x = 312,840,961.87/18,576.54
  6. Step 6: Final answer
    x = 16,840.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.