Home / 13,558.05-20,339.51-4,672.96

Finding the Fourth Proportional to 13,558.05, 20,339.51 and 4,672.96

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Solution

The fourth proportional to 13,558.05, 20,339.51 and 4,672.96 is: 7,010.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.05 : 20,339.51 = 4,672.96 : x
  2. Step 2: Convert to fraction form
    13,558.05/20,339.51 = 4,672.96/x
  3. Step 3: Cross multiply
    13,558.05x = 20,339.51 × 4,672.96
  4. Step 4: Simplify right side
    13,558.05x = 95,045,642.44
  5. Step 5: Solve for x
    x = 95,045,642.44/13,558.05
  6. Step 6: Final answer
    x = 7,010.27

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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.