Home / 13,329.42-19,992.48-8,383.56

Finding the Fourth Proportional to 13,329.42, 19,992.48 and 8,383.56

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Solution

The fourth proportional to 13,329.42, 19,992.48 and 8,383.56 is: 12,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.42 : 19,992.48 = 8,383.56 : x
  2. Step 2: Convert to fraction form
    13,329.42/19,992.48 = 8,383.56/x
  3. Step 3: Cross multiply
    13,329.42x = 19,992.48 × 8,383.56
  4. Step 4: Simplify right side
    13,329.42x = 167,608,155.63
  5. Step 5: Solve for x
    x = 167,608,155.63/13,329.42
  6. Step 6: Final answer
    x = 12,574.30

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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.