Home / 13,102.15-19,653.29-3,742.33

Finding the Fourth Proportional to 13,102.15, 19,653.29 and 3,742.33

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Solution

The fourth proportional to 13,102.15, 19,653.29 and 3,742.33 is: 5,613.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.15 : 19,653.29 = 3,742.33 : x
  2. Step 2: Convert to fraction form
    13,102.15/19,653.29 = 3,742.33/x
  3. Step 3: Cross multiply
    13,102.15x = 19,653.29 × 3,742.33
  4. Step 4: Simplify right side
    13,102.15x = 73,549,096.77
  5. Step 5: Solve for x
    x = 73,549,096.77/13,102.15
  6. Step 6: Final answer
    x = 5,613.51

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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.