Home / 15,269.56-21,076.14-8,983.96

Finding the Fourth Proportional to 15,269.56, 21,076.14 and 8,983.96

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Solution

The fourth proportional to 15,269.56, 21,076.14 and 8,983.96 is: 12,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269.56 : 21,076.14 = 8,983.96 : x
  2. Step 2: Convert to fraction form
    15,269.56/21,076.14 = 8,983.96/x
  3. Step 3: Cross multiply
    15,269.56x = 21,076.14 × 8,983.96
  4. Step 4: Simplify right side
    15,269.56x = 189,347,198.71
  5. Step 5: Solve for x
    x = 189,347,198.71/15,269.56
  6. Step 6: Final answer
    x = 12,400.30

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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.