Home / 13,773.81-20,663.96-4,539.81

Finding the Fourth Proportional to 13,773.81, 20,663.96 and 4,539.81

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Solution

The fourth proportional to 13,773.81, 20,663.96 and 4,539.81 is: 6,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.81 : 20,663.96 = 4,539.81 : x
  2. Step 2: Convert to fraction form
    13,773.81/20,663.96 = 4,539.81/x
  3. Step 3: Cross multiply
    13,773.81x = 20,663.96 × 4,539.81
  4. Step 4: Simplify right side
    13,773.81x = 93,810,452.25
  5. Step 5: Solve for x
    x = 93,810,452.25/13,773.81
  6. Step 6: Final answer
    x = 6,810.78

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1.5x scale

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.