Home / 18,093.85-27,139.47-5,613.55

Finding the Fourth Proportional to 18,093.85, 27,139.47 and 5,613.55

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Solution

The fourth proportional to 18,093.85, 27,139.47 and 5,613.55 is: 8,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093.85 : 27,139.47 = 5,613.55 : x
  2. Step 2: Convert to fraction form
    18,093.85/27,139.47 = 5,613.55/x
  3. Step 3: Cross multiply
    18,093.85x = 27,139.47 × 5,613.55
  4. Step 4: Simplify right side
    18,093.85x = 152,348,771.82
  5. Step 5: Solve for x
    x = 152,348,771.82/18,093.85
  6. Step 6: Final answer
    x = 8,419.92

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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.