Home / 13,134.96-19,699.42-3,774.90

Finding the Fourth Proportional to 13,134.96, 19,699.42 and 3,774.90

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Solution

The fourth proportional to 13,134.96, 19,699.42 and 3,774.90 is: 5,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.96 : 19,699.42 = 3,774.90 : x
  2. Step 2: Convert to fraction form
    13,134.96/19,699.42 = 3,774.90/x
  3. Step 3: Cross multiply
    13,134.96x = 19,699.42 × 3,774.90
  4. Step 4: Simplify right side
    13,134.96x = 74,363,340.56
  5. Step 5: Solve for x
    x = 74,363,340.56/13,134.96
  6. Step 6: Final answer
    x = 5,661.48

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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.