Home / 10,631.06-15,946.62-2,839.86

Finding the Fourth Proportional to 10,631.06, 15,946.62 and 2,839.86

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Solution

The fourth proportional to 10,631.06, 15,946.62 and 2,839.86 is: 4,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.06 : 15,946.62 = 2,839.86 : x
  2. Step 2: Convert to fraction form
    10,631.06/15,946.62 = 2,839.86/x
  3. Step 3: Cross multiply
    10,631.06x = 15,946.62 × 2,839.86
  4. Step 4: Simplify right side
    10,631.06x = 45,286,168.27
  5. Step 5: Solve for x
    x = 45,286,168.27/10,631.06
  6. Step 6: Final answer
    x = 4,259.80

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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.