Home / 18,600.39-27,894.64-6,117.55

Finding the Fourth Proportional to 18,600.39, 27,894.64 and 6,117.55

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Solution

The fourth proportional to 18,600.39, 27,894.64 and 6,117.55 is: 9,174.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.39 : 27,894.64 = 6,117.55 : x
  2. Step 2: Convert to fraction form
    18,600.39/27,894.64 = 6,117.55/x
  3. Step 3: Cross multiply
    18,600.39x = 27,894.64 × 6,117.55
  4. Step 4: Simplify right side
    18,600.39x = 170,646,854.93
  5. Step 5: Solve for x
    x = 170,646,854.93/18,600.39
  6. Step 6: Final answer
    x = 9,174.37

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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.