Home / 13,134.24-19,707.12-5,740.56

Finding the Fourth Proportional to 13,134.24, 19,707.12 and 5,740.56

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Solution

The fourth proportional to 13,134.24, 19,707.12 and 5,740.56 is: 8,613.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.24 : 19,707.12 = 5,740.56 : x
  2. Step 2: Convert to fraction form
    13,134.24/19,707.12 = 5,740.56/x
  3. Step 3: Cross multiply
    13,134.24x = 19,707.12 × 5,740.56
  4. Step 4: Simplify right side
    13,134.24x = 113,129,904.79
  5. Step 5: Solve for x
    x = 113,129,904.79/13,134.24
  6. Step 6: Final answer
    x = 8,613.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.