Home / 18,133.17-27,195.57-4,986.60

Finding the Fourth Proportional to 18,133.17, 27,195.57 and 4,986.60

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Solution

The fourth proportional to 18,133.17, 27,195.57 and 4,986.60 is: 7,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.17 : 27,195.57 = 4,986.60 : x
  2. Step 2: Convert to fraction form
    18,133.17/27,195.57 = 4,986.60/x
  3. Step 3: Cross multiply
    18,133.17x = 27,195.57 × 4,986.60
  4. Step 4: Simplify right side
    18,133.17x = 135,613,429.36
  5. Step 5: Solve for x
    x = 135,613,429.36/18,133.17
  6. Step 6: Final answer
    x = 7,478.75

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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.