Home / 10,720.27-14,791.17-6,181.84

Finding the Fourth Proportional to 10,720.27, 14,791.17 and 6,181.84

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Solution

The fourth proportional to 10,720.27, 14,791.17 and 6,181.84 is: 8,529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.27 : 14,791.17 = 6,181.84 : x
  2. Step 2: Convert to fraction form
    10,720.27/14,791.17 = 6,181.84/x
  3. Step 3: Cross multiply
    10,720.27x = 14,791.17 × 6,181.84
  4. Step 4: Simplify right side
    10,720.27x = 91,436,646.35
  5. Step 5: Solve for x
    x = 91,436,646.35/10,720.27
  6. Step 6: Final answer
    x = 8,529.32

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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.