Home / 13,836.61-20,760.12-8,293.94

Finding the Fourth Proportional to 13,836.61, 20,760.12 and 8,293.94

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Solution

The fourth proportional to 13,836.61, 20,760.12 and 8,293.94 is: 12,444.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.61 : 20,760.12 = 8,293.94 : x
  2. Step 2: Convert to fraction form
    13,836.61/20,760.12 = 8,293.94/x
  3. Step 3: Cross multiply
    13,836.61x = 20,760.12 × 8,293.94
  4. Step 4: Simplify right side
    13,836.61x = 172,183,085.87
  5. Step 5: Solve for x
    x = 172,183,085.87/13,836.61
  6. Step 6: Final answer
    x = 12,444.02

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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.