Home / 13,116.36-19,678.32-7,573.62

Finding the Fourth Proportional to 13,116.36, 19,678.32 and 7,573.62

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Solution

The fourth proportional to 13,116.36, 19,678.32 and 7,573.62 is: 11,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.36 : 19,678.32 = 7,573.62 : x
  2. Step 2: Convert to fraction form
    13,116.36/19,678.32 = 7,573.62/x
  3. Step 3: Cross multiply
    13,116.36x = 19,678.32 × 7,573.62
  4. Step 4: Simplify right side
    13,116.36x = 149,036,117.92
  5. Step 5: Solve for x
    x = 149,036,117.92/13,116.36
  6. Step 6: Final answer
    x = 11,362.61

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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.