Home / 19,787.46-27,295.29-12,322.50

Finding the Fourth Proportional to 19,787.46, 27,295.29 and 12,322.50

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Solution

The fourth proportional to 19,787.46, 27,295.29 and 12,322.50 is: 16,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.46 : 27,295.29 = 12,322.50 : x
  2. Step 2: Convert to fraction form
    19,787.46/27,295.29 = 12,322.50/x
  3. Step 3: Cross multiply
    19,787.46x = 27,295.29 × 12,322.50
  4. Step 4: Simplify right side
    19,787.46x = 336,346,211.03
  5. Step 5: Solve for x
    x = 336,346,211.03/19,787.46
  6. Step 6: Final answer
    x = 16,997.95

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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.