Home / 17,398.05-26,101.79-12,406.73

Finding the Fourth Proportional to 17,398.05, 26,101.79 and 12,406.73

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Solution

The fourth proportional to 17,398.05, 26,101.79 and 12,406.73 is: 18,613.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,398.05 : 26,101.79 = 12,406.73 : x
  2. Step 2: Convert to fraction form
    17,398.05/26,101.79 = 12,406.73/x
  3. Step 3: Cross multiply
    17,398.05x = 26,101.79 × 12,406.73
  4. Step 4: Simplify right side
    17,398.05x = 323,837,861.05
  5. Step 5: Solve for x
    x = 323,837,861.05/17,398.05
  6. Step 6: Final answer
    x = 18,613.46

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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.