Home / 21,584.52-29,787.70-12,154.12

Finding the Fourth Proportional to 21,584.52, 29,787.70 and 12,154.12

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Solution

The fourth proportional to 21,584.52, 29,787.70 and 12,154.12 is: 16,773.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.52 : 29,787.70 = 12,154.12 : x
  2. Step 2: Convert to fraction form
    21,584.52/29,787.70 = 12,154.12/x
  3. Step 3: Cross multiply
    21,584.52x = 29,787.70 × 12,154.12
  4. Step 4: Simplify right side
    21,584.52x = 362,043,280.32
  5. Step 5: Solve for x
    x = 362,043,280.32/21,584.52
  6. Step 6: Final answer
    x = 16,773.28

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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.