Home / 12,787.70-19,160.43-5,846.90

Finding the Fourth Proportional to 12,787.70, 19,160.43 and 5,846.90

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Solution

The fourth proportional to 12,787.70, 19,160.43 and 5,846.90 is: 8,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787.70 : 19,160.43 = 5,846.90 : x
  2. Step 2: Convert to fraction form
    12,787.70/19,160.43 = 5,846.90/x
  3. Step 3: Cross multiply
    12,787.70x = 19,160.43 × 5,846.90
  4. Step 4: Simplify right side
    12,787.70x = 112,029,118.17
  5. Step 5: Solve for x
    x = 112,029,118.17/12,787.70
  6. Step 6: Final answer
    x = 8,760.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.