Home / 13,575.96-20,363.88-4,811.52

Finding the Fourth Proportional to 13,575.96, 20,363.88 and 4,811.52

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Solution

The fourth proportional to 13,575.96, 20,363.88 and 4,811.52 is: 7,217.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.96 : 20,363.88 = 4,811.52 : x
  2. Step 2: Convert to fraction form
    13,575.96/20,363.88 = 4,811.52/x
  3. Step 3: Cross multiply
    13,575.96x = 20,363.88 × 4,811.52
  4. Step 4: Simplify right side
    13,575.96x = 97,981,215.90
  5. Step 5: Solve for x
    x = 97,981,215.90/13,575.96
  6. Step 6: Final answer
    x = 7,217.26

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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.