Home / 11,214.32-16,836.40-9,581.36

Finding the Fourth Proportional to 11,214.32, 16,836.40 and 9,581.36

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Solution

The fourth proportional to 11,214.32, 16,836.40 and 9,581.36 is: 14,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.32 : 16,836.40 = 9,581.36 : x
  2. Step 2: Convert to fraction form
    11,214.32/16,836.40 = 9,581.36/x
  3. Step 3: Cross multiply
    11,214.32x = 16,836.40 × 9,581.36
  4. Step 4: Simplify right side
    11,214.32x = 161,315,609.50
  5. Step 5: Solve for x
    x = 161,315,609.50/11,214.32
  6. Step 6: Final answer
    x = 14,384.79

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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.