Home / 12,584.40-18,846.24-9,942.72

Finding the Fourth Proportional to 12,584.40, 18,846.24 and 9,942.72

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Solution

The fourth proportional to 12,584.40, 18,846.24 and 9,942.72 is: 14,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.40 : 18,846.24 = 9,942.72 : x
  2. Step 2: Convert to fraction form
    12,584.40/18,846.24 = 9,942.72/x
  3. Step 3: Cross multiply
    12,584.40x = 18,846.24 × 9,942.72
  4. Step 4: Simplify right side
    12,584.40x = 187,382,887.37
  5. Step 5: Solve for x
    x = 187,382,887.37/12,584.40
  6. Step 6: Final answer
    x = 14,890.09

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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.