Home / 18,131.55-27,196.64-4,983.58

Finding the Fourth Proportional to 18,131.55, 27,196.64 and 4,983.58

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Solution

The fourth proportional to 18,131.55, 27,196.64 and 4,983.58 is: 7,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.55 : 27,196.64 = 4,983.58 : x
  2. Step 2: Convert to fraction form
    18,131.55/27,196.64 = 4,983.58/x
  3. Step 3: Cross multiply
    18,131.55x = 27,196.64 × 4,983.58
  4. Step 4: Simplify right side
    18,131.55x = 135,536,631.17
  5. Step 5: Solve for x
    x = 135,536,631.17/18,131.55
  6. Step 6: Final answer
    x = 7,475.18

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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.