Home / 19,787.96-27,295.98-12,323

Finding the Fourth Proportional to 19,787.96, 27,295.98 and 12,323

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Solution

The fourth proportional to 19,787.96, 27,295.98 and 12,323 is: 16,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.96 : 27,295.98 = 12,323 : x
  2. Step 2: Convert to fraction form
    19,787.96/27,295.98 = 12,323/x
  3. Step 3: Cross multiply
    19,787.96x = 27,295.98 × 12,323
  4. Step 4: Simplify right side
    19,787.96x = 336,368,361.54
  5. Step 5: Solve for x
    x = 336,368,361.54/19,787.96
  6. Step 6: Final answer
    x = 16,998.64

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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.