Home / 13,448.21-20,172.30-4,088.19

Finding the Fourth Proportional to 13,448.21, 20,172.30 and 4,088.19

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Solution

The fourth proportional to 13,448.21, 20,172.30 and 4,088.19 is: 6,132.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.21 : 20,172.30 = 4,088.19 : x
  2. Step 2: Convert to fraction form
    13,448.21/20,172.30 = 4,088.19/x
  3. Step 3: Cross multiply
    13,448.21x = 20,172.30 × 4,088.19
  4. Step 4: Simplify right side
    13,448.21x = 82,468,195.14
  5. Step 5: Solve for x
    x = 82,468,195.14/13,448.21
  6. Step 6: Final answer
    x = 6,132.28

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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.