Home / 22,463.16-30,999.30-12,391.86

Finding the Fourth Proportional to 22,463.16, 30,999.30 and 12,391.86

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Solution

The fourth proportional to 22,463.16, 30,999.30 and 12,391.86 is: 17,100.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463.16 : 30,999.30 = 12,391.86 : x
  2. Step 2: Convert to fraction form
    22,463.16/30,999.30 = 12,391.86/x
  3. Step 3: Cross multiply
    22,463.16x = 30,999.30 × 12,391.86
  4. Step 4: Simplify right side
    22,463.16x = 384,138,985.70
  5. Step 5: Solve for x
    x = 384,138,985.70/22,463.16
  6. Step 6: Final answer
    x = 17,100.84

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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.