Home / 10,548.87-15,811.07-3,970.86

Finding the Fourth Proportional to 10,548.87, 15,811.07 and 3,970.86

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Solution

The fourth proportional to 10,548.87, 15,811.07 and 3,970.86 is: 5,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.87 : 15,811.07 = 3,970.86 : x
  2. Step 2: Convert to fraction form
    10,548.87/15,811.07 = 3,970.86/x
  3. Step 3: Cross multiply
    10,548.87x = 15,811.07 × 3,970.86
  4. Step 4: Simplify right side
    10,548.87x = 62,783,525.57
  5. Step 5: Solve for x
    x = 62,783,525.57/10,548.87
  6. Step 6: Final answer
    x = 5,951.68

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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.