Home / 13,203.12-19,836.96-8,525.52

Finding the Fourth Proportional to 13,203.12, 19,836.96 and 8,525.52

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Solution

The fourth proportional to 13,203.12, 19,836.96 and 8,525.52 is: 12,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.12 : 19,836.96 = 8,525.52 : x
  2. Step 2: Convert to fraction form
    13,203.12/19,836.96 = 8,525.52/x
  3. Step 3: Cross multiply
    13,203.12x = 19,836.96 × 8,525.52
  4. Step 4: Simplify right side
    13,203.12x = 169,120,399.22
  5. Step 5: Solve for x
    x = 169,120,399.22/13,203.12
  6. Step 6: Final answer
    x = 12,809.12

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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.