Home / 10,223.05-15,334.60-2,827.90

Finding the Fourth Proportional to 10,223.05, 15,334.60 and 2,827.90

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Solution

The fourth proportional to 10,223.05, 15,334.60 and 2,827.90 is: 4,241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223.05 : 15,334.60 = 2,827.90 : x
  2. Step 2: Convert to fraction form
    10,223.05/15,334.60 = 2,827.90/x
  3. Step 3: Cross multiply
    10,223.05x = 15,334.60 × 2,827.90
  4. Step 4: Simplify right side
    10,223.05x = 43,364,715.34
  5. Step 5: Solve for x
    x = 43,364,715.34/10,223.05
  6. Step 6: Final answer
    x = 4,241.86

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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.