Home / 13,559.65-20,345.46-4,676.33

Finding the Fourth Proportional to 13,559.65, 20,345.46 and 4,676.33

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Solution

The fourth proportional to 13,559.65, 20,345.46 and 4,676.33 is: 7,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.65 : 20,345.46 = 4,676.33 : x
  2. Step 2: Convert to fraction form
    13,559.65/20,345.46 = 4,676.33/x
  3. Step 3: Cross multiply
    13,559.65x = 20,345.46 × 4,676.33
  4. Step 4: Simplify right side
    13,559.65x = 95,141,959.85
  5. Step 5: Solve for x
    x = 95,141,959.85/13,559.65
  6. Step 6: Final answer
    x = 7,016.55

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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.