Home / 13,349.85-20,025.92-3,489.12

Finding the Fourth Proportional to 13,349.85, 20,025.92 and 3,489.12

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Solution

The fourth proportional to 13,349.85, 20,025.92 and 3,489.12 is: 5,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.85 : 20,025.92 = 3,489.12 : x
  2. Step 2: Convert to fraction form
    13,349.85/20,025.92 = 3,489.12/x
  3. Step 3: Cross multiply
    13,349.85x = 20,025.92 × 3,489.12
  4. Step 4: Simplify right side
    13,349.85x = 69,872,846.71
  5. Step 5: Solve for x
    x = 69,872,846.71/13,349.85
  6. Step 6: Final answer
    x = 5,233.98

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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.