Home / 18,290.79-27,447.66-7,197.18

Finding the Fourth Proportional to 18,290.79, 27,447.66 and 7,197.18

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Solution

The fourth proportional to 18,290.79, 27,447.66 and 7,197.18 is: 10,800.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.79 : 27,447.66 = 7,197.18 : x
  2. Step 2: Convert to fraction form
    18,290.79/27,447.66 = 7,197.18/x
  3. Step 3: Cross multiply
    18,290.79x = 27,447.66 × 7,197.18
  4. Step 4: Simplify right side
    18,290.79x = 197,545,749.60
  5. Step 5: Solve for x
    x = 197,545,749.60/18,290.79
  6. Step 6: Final answer
    x = 10,800.29

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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.