Home / 11,835.48-17,716.29-8,719

Finding the Fourth Proportional to 11,835.48, 17,716.29 and 8,719

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Solution

The fourth proportional to 11,835.48, 17,716.29 and 8,719 is: 13,051.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.48 : 17,716.29 = 8,719 : x
  2. Step 2: Convert to fraction form
    11,835.48/17,716.29 = 8,719/x
  3. Step 3: Cross multiply
    11,835.48x = 17,716.29 × 8,719
  4. Step 4: Simplify right side
    11,835.48x = 154,468,332.51
  5. Step 5: Solve for x
    x = 154,468,332.51/11,835.48
  6. Step 6: Final answer
    x = 13,051.29

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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.