Home / 21,613.43-29,826.54-11,677.43

Finding the Fourth Proportional to 21,613.43, 29,826.54 and 11,677.43

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Solution

The fourth proportional to 21,613.43, 29,826.54 and 11,677.43 is: 16,114.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613.43 : 29,826.54 = 11,677.43 : x
  2. Step 2: Convert to fraction form
    21,613.43/29,826.54 = 11,677.43/x
  3. Step 3: Cross multiply
    21,613.43x = 29,826.54 × 11,677.43
  4. Step 4: Simplify right side
    21,613.43x = 348,297,332.99
  5. Step 5: Solve for x
    x = 348,297,332.99/21,613.43
  6. Step 6: Final answer
    x = 16,114.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.