Home / 21,716.83-29,969.86-12,026.40

Finding the Fourth Proportional to 21,716.83, 29,969.86 and 12,026.40

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Solution

The fourth proportional to 21,716.83, 29,969.86 and 12,026.40 is: 16,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,716.83 : 29,969.86 = 12,026.40 : x
  2. Step 2: Convert to fraction form
    21,716.83/29,969.86 = 12,026.40/x
  3. Step 3: Cross multiply
    21,716.83x = 29,969.86 × 12,026.40
  4. Step 4: Simplify right side
    21,716.83x = 360,429,524.30
  5. Step 5: Solve for x
    x = 360,429,524.30/21,716.83
  6. Step 6: Final answer
    x = 16,596.78

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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.