Home / 13,600.76-20,411.26-5,282.06

Finding the Fourth Proportional to 13,600.76, 20,411.26 and 5,282.06

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Solution

The fourth proportional to 13,600.76, 20,411.26 and 5,282.06 is: 7,927.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.76 : 20,411.26 = 5,282.06 : x
  2. Step 2: Convert to fraction form
    13,600.76/20,411.26 = 5,282.06/x
  3. Step 3: Cross multiply
    13,600.76x = 20,411.26 × 5,282.06
  4. Step 4: Simplify right side
    13,600.76x = 107,813,500.00
  5. Step 5: Solve for x
    x = 107,813,500.00/13,600.76
  6. Step 6: Final answer
    x = 7,927.02

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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.