Home / 13,565.66-20,350.53-4,800.66

Finding the Fourth Proportional to 13,565.66, 20,350.53 and 4,800.66

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Solution

The fourth proportional to 13,565.66, 20,350.53 and 4,800.66 is: 7,201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.66 : 20,350.53 = 4,800.66 : x
  2. Step 2: Convert to fraction form
    13,565.66/20,350.53 = 4,800.66/x
  3. Step 3: Cross multiply
    13,565.66x = 20,350.53 × 4,800.66
  4. Step 4: Simplify right side
    13,565.66x = 97,695,975.35
  5. Step 5: Solve for x
    x = 97,695,975.35/13,565.66
  6. Step 6: Final answer
    x = 7,201.71

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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.