Home / 21,441.84-29,591.10-12,011.82

Finding the Fourth Proportional to 21,441.84, 29,591.10 and 12,011.82

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Solution

The fourth proportional to 21,441.84, 29,591.10 and 12,011.82 is: 16,577.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,441.84 : 29,591.10 = 12,011.82 : x
  2. Step 2: Convert to fraction form
    21,441.84/29,591.10 = 12,011.82/x
  3. Step 3: Cross multiply
    21,441.84x = 29,591.10 × 12,011.82
  4. Step 4: Simplify right side
    21,441.84x = 355,442,966.80
  5. Step 5: Solve for x
    x = 355,442,966.80/21,441.84
  6. Step 6: Final answer
    x = 16,577.07

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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.