Home / 22,650.30-31,257.70-12,579.37

Finding the Fourth Proportional to 22,650.30, 31,257.70 and 12,579.37

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Solution

The fourth proportional to 22,650.30, 31,257.70 and 12,579.37 is: 17,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,650.30 : 31,257.70 = 12,579.37 : x
  2. Step 2: Convert to fraction form
    22,650.30/31,257.70 = 12,579.37/x
  3. Step 3: Cross multiply
    22,650.30x = 31,257.70 × 12,579.37
  4. Step 4: Simplify right side
    22,650.30x = 393,202,064.06
  5. Step 5: Solve for x
    x = 393,202,064.06/22,650.30
  6. Step 6: Final answer
    x = 17,359.68

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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.