Home / 11,847.81-16,349.88-6,542.58

Finding the Fourth Proportional to 11,847.81, 16,349.88 and 6,542.58

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Solution

The fourth proportional to 11,847.81, 16,349.88 and 6,542.58 is: 9,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.81 : 16,349.88 = 6,542.58 : x
  2. Step 2: Convert to fraction form
    11,847.81/16,349.88 = 6,542.58/x
  3. Step 3: Cross multiply
    11,847.81x = 16,349.88 × 6,542.58
  4. Step 4: Simplify right side
    11,847.81x = 106,970,397.89
  5. Step 5: Solve for x
    x = 106,970,397.89/11,847.81
  6. Step 6: Final answer
    x = 9,028.71

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1.5x scale

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.