Home / 13,349.93-20,025.56-3,489.12

Finding the Fourth Proportional to 13,349.93, 20,025.56 and 3,489.12

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Solution

The fourth proportional to 13,349.93, 20,025.56 and 3,489.12 is: 5,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.93 : 20,025.56 = 3,489.12 : x
  2. Step 2: Convert to fraction form
    13,349.93/20,025.56 = 3,489.12/x
  3. Step 3: Cross multiply
    13,349.93x = 20,025.56 × 3,489.12
  4. Step 4: Simplify right side
    13,349.93x = 69,871,590.63
  5. Step 5: Solve for x
    x = 69,871,590.63/13,349.93
  6. Step 6: Final answer
    x = 5,233.86

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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.