Home / 18,132.18-27,197.58-4,984.21

Finding the Fourth Proportional to 18,132.18, 27,197.58 and 4,984.21

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Solution

The fourth proportional to 18,132.18, 27,197.58 and 4,984.21 is: 7,476.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.18 : 27,197.58 = 4,984.21 : x
  2. Step 2: Convert to fraction form
    18,132.18/27,197.58 = 4,984.21/x
  3. Step 3: Cross multiply
    18,132.18x = 27,197.58 × 4,984.21
  4. Step 4: Simplify right side
    18,132.18x = 135,558,314.22
  5. Step 5: Solve for x
    x = 135,558,314.22/18,132.18
  6. Step 6: Final answer
    x = 7,476.12

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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.