Home / 11,857.38-16,361.76-6,551.47

Finding the Fourth Proportional to 11,857.38, 16,361.76 and 6,551.47

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Solution

The fourth proportional to 11,857.38, 16,361.76 and 6,551.47 is: 9,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,857.38 : 16,361.76 = 6,551.47 : x
  2. Step 2: Convert to fraction form
    11,857.38/16,361.76 = 6,551.47/x
  3. Step 3: Cross multiply
    11,857.38x = 16,361.76 × 6,551.47
  4. Step 4: Simplify right side
    11,857.38x = 107,193,579.79
  5. Step 5: Solve for x
    x = 107,193,579.79/11,857.38
  6. Step 6: Final answer
    x = 9,040.24

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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.