Home / 16,856.32-25,264.32-11,918.56

Finding the Fourth Proportional to 16,856.32, 25,264.32 and 11,918.56

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Solution

The fourth proportional to 16,856.32, 25,264.32 and 11,918.56 is: 17,863.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.32 : 25,264.32 = 11,918.56 : x
  2. Step 2: Convert to fraction form
    16,856.32/25,264.32 = 11,918.56/x
  3. Step 3: Cross multiply
    16,856.32x = 25,264.32 × 11,918.56
  4. Step 4: Simplify right side
    16,856.32x = 301,114,313.78
  5. Step 5: Solve for x
    x = 301,114,313.78/16,856.32
  6. Step 6: Final answer
    x = 17,863.59

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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.