Home / 13,544.16-20,313.12-6,143.64

Finding the Fourth Proportional to 13,544.16, 20,313.12 and 6,143.64

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Solution

The fourth proportional to 13,544.16, 20,313.12 and 6,143.64 is: 9,214.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.16 : 20,313.12 = 6,143.64 : x
  2. Step 2: Convert to fraction form
    13,544.16/20,313.12 = 6,143.64/x
  3. Step 3: Cross multiply
    13,544.16x = 20,313.12 × 6,143.64
  4. Step 4: Simplify right side
    13,544.16x = 124,796,496.56
  5. Step 5: Solve for x
    x = 124,796,496.56/13,544.16
  6. Step 6: Final answer
    x = 9,214.04

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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.