Home / 21,474.59-29,634.88-12,043.36

Finding the Fourth Proportional to 21,474.59, 29,634.88 and 12,043.36

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Solution

The fourth proportional to 21,474.59, 29,634.88 and 12,043.36 is: 16,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474.59 : 29,634.88 = 12,043.36 : x
  2. Step 2: Convert to fraction form
    21,474.59/29,634.88 = 12,043.36/x
  3. Step 3: Cross multiply
    21,474.59x = 29,634.88 × 12,043.36
  4. Step 4: Simplify right side
    21,474.59x = 356,903,350.11
  5. Step 5: Solve for x
    x = 356,903,350.11/21,474.59
  6. Step 6: Final answer
    x = 16,619.80

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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.