Home / 13,088.12-19,635.42-6,161

Finding the Fourth Proportional to 13,088.12, 19,635.42 and 6,161

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Solution

The fourth proportional to 13,088.12, 19,635.42 and 6,161 is: 9,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.12 : 19,635.42 = 6,161 : x
  2. Step 2: Convert to fraction form
    13,088.12/19,635.42 = 6,161/x
  3. Step 3: Cross multiply
    13,088.12x = 19,635.42 × 6,161
  4. Step 4: Simplify right side
    13,088.12x = 120,973,822.62
  5. Step 5: Solve for x
    x = 120,973,822.62/13,088.12
  6. Step 6: Final answer
    x = 9,243.03

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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.