Home / 15,423.44-23,131.32-12,650

Finding the Fourth Proportional to 15,423.44, 23,131.32 and 12,650

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Solution

The fourth proportional to 15,423.44, 23,131.32 and 12,650 is: 18,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.44 : 23,131.32 = 12,650 : x
  2. Step 2: Convert to fraction form
    15,423.44/23,131.32 = 12,650/x
  3. Step 3: Cross multiply
    15,423.44x = 23,131.32 × 12,650
  4. Step 4: Simplify right side
    15,423.44x = 292,611,198
  5. Step 5: Solve for x
    x = 292,611,198/15,423.44
  6. Step 6: Final answer
    x = 18,971.85

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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.