Home / 11,107.92-16,664.61-7,827.42

Finding the Fourth Proportional to 11,107.92, 16,664.61 and 7,827.42

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Solution

The fourth proportional to 11,107.92, 16,664.61 and 7,827.42 is: 11,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.92 : 16,664.61 = 7,827.42 : x
  2. Step 2: Convert to fraction form
    11,107.92/16,664.61 = 7,827.42/x
  3. Step 3: Cross multiply
    11,107.92x = 16,664.61 × 7,827.42
  4. Step 4: Simplify right side
    11,107.92x = 130,440,901.61
  5. Step 5: Solve for x
    x = 130,440,901.61/11,107.92
  6. Step 6: Final answer
    x = 11,743.05

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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.