Home / 15,607.20-21,522-12,244

Finding the Fourth Proportional to 15,607.20, 21,522 and 12,244

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Solution

The fourth proportional to 15,607.20, 21,522 and 12,244 is: 16,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607.20 : 21,522 = 12,244 : x
  2. Step 2: Convert to fraction form
    15,607.20/21,522 = 12,244/x
  3. Step 3: Cross multiply
    15,607.20x = 21,522 × 12,244
  4. Step 4: Simplify right side
    15,607.20x = 263,515,368
  5. Step 5: Solve for x
    x = 263,515,368/15,607.20
  6. Step 6: Final answer
    x = 16,884.22

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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.