Home / 11,558.28-17,335.82-4,161.72

Finding the Fourth Proportional to 11,558.28, 17,335.82 and 4,161.72

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Solution

The fourth proportional to 11,558.28, 17,335.82 and 4,161.72 is: 6,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.28 : 17,335.82 = 4,161.72 : x
  2. Step 2: Convert to fraction form
    11,558.28/17,335.82 = 4,161.72/x
  3. Step 3: Cross multiply
    11,558.28x = 17,335.82 × 4,161.72
  4. Step 4: Simplify right side
    11,558.28x = 72,146,828.81
  5. Step 5: Solve for x
    x = 72,146,828.81/11,558.28
  6. Step 6: Final answer
    x = 6,242.00

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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.