Home / 17,113.29-25,678.05-11,856.39

Finding the Fourth Proportional to 17,113.29, 25,678.05 and 11,856.39

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Solution

The fourth proportional to 17,113.29, 25,678.05 and 11,856.39 is: 17,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,113.29 : 25,678.05 = 11,856.39 : x
  2. Step 2: Convert to fraction form
    17,113.29/25,678.05 = 11,856.39/x
  3. Step 3: Cross multiply
    17,113.29x = 25,678.05 × 11,856.39
  4. Step 4: Simplify right side
    17,113.29x = 304,448,975.24
  5. Step 5: Solve for x
    x = 304,448,975.24/17,113.29
  6. Step 6: Final answer
    x = 17,790.21

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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.