Home / 10,827.81-16,243.26-3,432.91

Finding the Fourth Proportional to 10,827.81, 16,243.26 and 3,432.91

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Solution

The fourth proportional to 10,827.81, 16,243.26 and 3,432.91 is: 5,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.81 : 16,243.26 = 3,432.91 : x
  2. Step 2: Convert to fraction form
    10,827.81/16,243.26 = 3,432.91/x
  3. Step 3: Cross multiply
    10,827.81x = 16,243.26 × 3,432.91
  4. Step 4: Simplify right side
    10,827.81x = 55,761,590.63
  5. Step 5: Solve for x
    x = 55,761,590.63/10,827.81
  6. Step 6: Final answer
    x = 5,149.85

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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.