Home / 11,212.48-16,785.90-8,856.04

Finding the Fourth Proportional to 11,212.48, 16,785.90 and 8,856.04

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Solution

The fourth proportional to 11,212.48, 16,785.90 and 8,856.04 is: 13,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.48 : 16,785.90 = 8,856.04 : x
  2. Step 2: Convert to fraction form
    11,212.48/16,785.90 = 8,856.04/x
  3. Step 3: Cross multiply
    11,212.48x = 16,785.90 × 8,856.04
  4. Step 4: Simplify right side
    11,212.48x = 148,656,601.84
  5. Step 5: Solve for x
    x = 148,656,601.84/11,212.48
  6. Step 6: Final answer
    x = 13,258.14

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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.