Home / 18,622.86-27,934.29-13,100.91

Finding the Fourth Proportional to 18,622.86, 27,934.29 and 13,100.91

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Solution

The fourth proportional to 18,622.86, 27,934.29 and 13,100.91 is: 19,651.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.86 : 27,934.29 = 13,100.91 : x
  2. Step 2: Convert to fraction form
    18,622.86/27,934.29 = 13,100.91/x
  3. Step 3: Cross multiply
    18,622.86x = 27,934.29 × 13,100.91
  4. Step 4: Simplify right side
    18,622.86x = 365,964,656.29
  5. Step 5: Solve for x
    x = 365,964,656.29/18,622.86
  6. Step 6: Final answer
    x = 19,651.37

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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.