Home / 10,993.41-15,170.76-6,277.59

Finding the Fourth Proportional to 10,993.41, 15,170.76 and 6,277.59

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Solution

The fourth proportional to 10,993.41, 15,170.76 and 6,277.59 is: 8,662.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.41 : 15,170.76 = 6,277.59 : x
  2. Step 2: Convert to fraction form
    10,993.41/15,170.76 = 6,277.59/x
  3. Step 3: Cross multiply
    10,993.41x = 15,170.76 × 6,277.59
  4. Step 4: Simplify right side
    10,993.41x = 95,235,811.27
  5. Step 5: Solve for x
    x = 95,235,811.27/10,993.41
  6. Step 6: Final answer
    x = 8,662.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.