Home / 21,694.84-29,928.09-14,608.96

Finding the Fourth Proportional to 21,694.84, 29,928.09 and 14,608.96

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Solution

The fourth proportional to 21,694.84, 29,928.09 and 14,608.96 is: 20,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,694.84 : 29,928.09 = 14,608.96 : x
  2. Step 2: Convert to fraction form
    21,694.84/29,928.09 = 14,608.96/x
  3. Step 3: Cross multiply
    21,694.84x = 29,928.09 × 14,608.96
  4. Step 4: Simplify right side
    21,694.84x = 437,218,269.69
  5. Step 5: Solve for x
    x = 437,218,269.69/21,694.84
  6. Step 6: Final answer
    x = 20,153.10

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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.