Home / 22,462.62-30,999.78-12,391.02

Finding the Fourth Proportional to 22,462.62, 30,999.78 and 12,391.02

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Solution

The fourth proportional to 22,462.62, 30,999.78 and 12,391.02 is: 17,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,462.62 : 30,999.78 = 12,391.02 : x
  2. Step 2: Convert to fraction form
    22,462.62/30,999.78 = 12,391.02/x
  3. Step 3: Cross multiply
    22,462.62x = 30,999.78 × 12,391.02
  4. Step 4: Simplify right side
    22,462.62x = 384,118,893.98
  5. Step 5: Solve for x
    x = 384,118,893.98/22,462.62
  6. Step 6: Final answer
    x = 17,100.36

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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.