Home / 13,276.76-19,914.90-11,210.04

Finding the Fourth Proportional to 13,276.76, 19,914.90 and 11,210.04

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Solution

The fourth proportional to 13,276.76, 19,914.90 and 11,210.04 is: 16,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.76 : 19,914.90 = 11,210.04 : x
  2. Step 2: Convert to fraction form
    13,276.76/19,914.90 = 11,210.04/x
  3. Step 3: Cross multiply
    13,276.76x = 19,914.90 × 11,210.04
  4. Step 4: Simplify right side
    13,276.76x = 223,246,825.60
  5. Step 5: Solve for x
    x = 223,246,825.60/13,276.76
  6. Step 6: Final answer
    x = 16,814.86

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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.