Home / 13,749.38-20,624.03-3,361.13

Finding the Fourth Proportional to 13,749.38, 20,624.03 and 3,361.13

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Solution

The fourth proportional to 13,749.38, 20,624.03 and 3,361.13 is: 5,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.38 : 20,624.03 = 3,361.13 : x
  2. Step 2: Convert to fraction form
    13,749.38/20,624.03 = 3,361.13/x
  3. Step 3: Cross multiply
    13,749.38x = 20,624.03 × 3,361.13
  4. Step 4: Simplify right side
    13,749.38x = 69,320,045.95
  5. Step 5: Solve for x
    x = 69,320,045.95/13,749.38
  6. Step 6: Final answer
    x = 5,041.69

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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.