Home / 22,463.44-30,999.68-12,391.72

Finding the Fourth Proportional to 22,463.44, 30,999.68 and 12,391.72

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Solution

The fourth proportional to 22,463.44, 30,999.68 and 12,391.72 is: 17,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463.44 : 30,999.68 = 12,391.72 : x
  2. Step 2: Convert to fraction form
    22,463.44/30,999.68 = 12,391.72/x
  3. Step 3: Cross multiply
    22,463.44x = 30,999.68 × 12,391.72
  4. Step 4: Simplify right side
    22,463.44x = 384,139,354.65
  5. Step 5: Solve for x
    x = 384,139,354.65/22,463.44
  6. Step 6: Final answer
    x = 17,100.65

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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.