Home / 13,741.38-20,618.55-4,973.94

Finding the Fourth Proportional to 13,741.38, 20,618.55 and 4,973.94

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Solution

The fourth proportional to 13,741.38, 20,618.55 and 4,973.94 is: 7,463.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.38 : 20,618.55 = 4,973.94 : x
  2. Step 2: Convert to fraction form
    13,741.38/20,618.55 = 4,973.94/x
  3. Step 3: Cross multiply
    13,741.38x = 20,618.55 × 4,973.94
  4. Step 4: Simplify right side
    13,741.38x = 102,555,430.59
  5. Step 5: Solve for x
    x = 102,555,430.59/13,741.38
  6. Step 6: Final answer
    x = 7,463.26

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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.