Home / 18,536.26-27,734.62-13,000.40

Finding the Fourth Proportional to 18,536.26, 27,734.62 and 13,000.40

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Solution

The fourth proportional to 18,536.26, 27,734.62 and 13,000.40 is: 19,451.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.26 : 27,734.62 = 13,000.40 : x
  2. Step 2: Convert to fraction form
    18,536.26/27,734.62 = 13,000.40/x
  3. Step 3: Cross multiply
    18,536.26x = 27,734.62 × 13,000.40
  4. Step 4: Simplify right side
    18,536.26x = 360,561,153.85
  5. Step 5: Solve for x
    x = 360,561,153.85/18,536.26
  6. Step 6: Final answer
    x = 19,451.67

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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.