Home / 10,004.21-14,974.85-6,865.86

Finding the Fourth Proportional to 10,004.21, 14,974.85 and 6,865.86

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Solution

The fourth proportional to 10,004.21, 14,974.85 and 6,865.86 is: 10,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.21 : 14,974.85 = 6,865.86 : x
  2. Step 2: Convert to fraction form
    10,004.21/14,974.85 = 6,865.86/x
  3. Step 3: Cross multiply
    10,004.21x = 14,974.85 × 6,865.86
  4. Step 4: Simplify right side
    10,004.21x = 102,815,223.62
  5. Step 5: Solve for x
    x = 102,815,223.62/10,004.21
  6. Step 6: Final answer
    x = 10,277.20

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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.