Home / 13,369.68-20,041.32-6,449.04

Finding the Fourth Proportional to 13,369.68, 20,041.32 and 6,449.04

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Solution

The fourth proportional to 13,369.68, 20,041.32 and 6,449.04 is: 9,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.68 : 20,041.32 = 6,449.04 : x
  2. Step 2: Convert to fraction form
    13,369.68/20,041.32 = 6,449.04/x
  3. Step 3: Cross multiply
    13,369.68x = 20,041.32 × 6,449.04
  4. Step 4: Simplify right side
    13,369.68x = 129,247,274.33
  5. Step 5: Solve for x
    x = 129,247,274.33/13,369.68
  6. Step 6: Final answer
    x = 9,667.19

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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.