Home / 13,736.28-20,603.29-4,375.92

Finding the Fourth Proportional to 13,736.28, 20,603.29 and 4,375.92

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Solution

The fourth proportional to 13,736.28, 20,603.29 and 4,375.92 is: 6,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.28 : 20,603.29 = 4,375.92 : x
  2. Step 2: Convert to fraction form
    13,736.28/20,603.29 = 4,375.92/x
  3. Step 3: Cross multiply
    13,736.28x = 20,603.29 × 4,375.92
  4. Step 4: Simplify right side
    13,736.28x = 90,158,411.00
  5. Step 5: Solve for x
    x = 90,158,411.00/13,736.28
  6. Step 6: Final answer
    x = 6,563.52

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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.