Home / 10,993.39-15,170.90-6,517.43

Finding the Fourth Proportional to 10,993.39, 15,170.90 and 6,517.43

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Solution

The fourth proportional to 10,993.39, 15,170.90 and 6,517.43 is: 8,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.39 : 15,170.90 = 6,517.43 : x
  2. Step 2: Convert to fraction form
    10,993.39/15,170.90 = 6,517.43/x
  3. Step 3: Cross multiply
    10,993.39x = 15,170.90 × 6,517.43
  4. Step 4: Simplify right side
    10,993.39x = 98,875,310.79
  5. Step 5: Solve for x
    x = 98,875,310.79/10,993.39
  6. Step 6: Final answer
    x = 8,994.07

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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.