Home / 13,736.72-20,603.94-4,376.36

Finding the Fourth Proportional to 13,736.72, 20,603.94 and 4,376.36

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Solution

The fourth proportional to 13,736.72, 20,603.94 and 4,376.36 is: 6,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.72 : 20,603.94 = 4,376.36 : x
  2. Step 2: Convert to fraction form
    13,736.72/20,603.94 = 4,376.36/x
  3. Step 3: Cross multiply
    13,736.72x = 20,603.94 × 4,376.36
  4. Step 4: Simplify right side
    13,736.72x = 90,170,293.96
  5. Step 5: Solve for x
    x = 90,170,293.96/13,736.72
  6. Step 6: Final answer
    x = 6,564.18

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1.5x scale

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.