Home / 18,131.12-27,196.68-5,827.76

Finding the Fourth Proportional to 18,131.12, 27,196.68 and 5,827.76

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Solution

The fourth proportional to 18,131.12, 27,196.68 and 5,827.76 is: 8,741.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.12 : 27,196.68 = 5,827.76 : x
  2. Step 2: Convert to fraction form
    18,131.12/27,196.68 = 5,827.76/x
  3. Step 3: Cross multiply
    18,131.12x = 27,196.68 × 5,827.76
  4. Step 4: Simplify right side
    18,131.12x = 158,495,723.84
  5. Step 5: Solve for x
    x = 158,495,723.84/18,131.12
  6. Step 6: Final answer
    x = 8,741.64

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1.5x scale

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.