Home / 13,628.88-20,450.16-6,232.68

Finding the Fourth Proportional to 13,628.88, 20,450.16 and 6,232.68

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Solution

The fourth proportional to 13,628.88, 20,450.16 and 6,232.68 is: 9,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628.88 : 20,450.16 = 6,232.68 : x
  2. Step 2: Convert to fraction form
    13,628.88/20,450.16 = 6,232.68/x
  3. Step 3: Cross multiply
    13,628.88x = 20,450.16 × 6,232.68
  4. Step 4: Simplify right side
    13,628.88x = 127,459,303.23
  5. Step 5: Solve for x
    x = 127,459,303.23/13,628.88
  6. Step 6: Final answer
    x = 9,352.15

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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.