Home / 13,723.86-20,575.80-4,360.80

Finding the Fourth Proportional to 13,723.86, 20,575.80 and 4,360.80

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Solution

The fourth proportional to 13,723.86, 20,575.80 and 4,360.80 is: 6,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.86 : 20,575.80 = 4,360.80 : x
  2. Step 2: Convert to fraction form
    13,723.86/20,575.80 = 4,360.80/x
  3. Step 3: Cross multiply
    13,723.86x = 20,575.80 × 4,360.80
  4. Step 4: Simplify right side
    13,723.86x = 89,726,948.64
  5. Step 5: Solve for x
    x = 89,726,948.64/13,723.86
  6. Step 6: Final answer
    x = 6,538.03

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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.