Home / 13,448.42-20,172.52-3,588.49

Finding the Fourth Proportional to 13,448.42, 20,172.52 and 3,588.49

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Solution

The fourth proportional to 13,448.42, 20,172.52 and 3,588.49 is: 5,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.42 : 20,172.52 = 3,588.49 : x
  2. Step 2: Convert to fraction form
    13,448.42/20,172.52 = 3,588.49/x
  3. Step 3: Cross multiply
    13,448.42x = 20,172.52 × 3,588.49
  4. Step 4: Simplify right side
    13,448.42x = 72,388,767.49
  5. Step 5: Solve for x
    x = 72,388,767.49/13,448.42
  6. Step 6: Final answer
    x = 5,382.70

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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.