Home / 10,003.32-15,007.70-4,379.96

Finding the Fourth Proportional to 10,003.32, 15,007.70 and 4,379.96

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Solution

The fourth proportional to 10,003.32, 15,007.70 and 4,379.96 is: 6,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.32 : 15,007.70 = 4,379.96 : x
  2. Step 2: Convert to fraction form
    10,003.32/15,007.70 = 4,379.96/x
  3. Step 3: Cross multiply
    10,003.32x = 15,007.70 × 4,379.96
  4. Step 4: Simplify right side
    10,003.32x = 65,733,125.69
  5. Step 5: Solve for x
    x = 65,733,125.69/10,003.32
  6. Step 6: Final answer
    x = 6,571.13

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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.