Home / 10,871.43-15,002.93-6,155.61

Finding the Fourth Proportional to 10,871.43, 15,002.93 and 6,155.61

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Solution

The fourth proportional to 10,871.43, 15,002.93 and 6,155.61 is: 8,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.43 : 15,002.93 = 6,155.61 : x
  2. Step 2: Convert to fraction form
    10,871.43/15,002.93 = 6,155.61/x
  3. Step 3: Cross multiply
    10,871.43x = 15,002.93 × 6,155.61
  4. Step 4: Simplify right side
    10,871.43x = 92,352,185.94
  5. Step 5: Solve for x
    x = 92,352,185.94/10,871.43
  6. Step 6: Final answer
    x = 8,494.94

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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.