Home / 13,736.36-20,603.58-3,875.24

Finding the Fourth Proportional to 13,736.36, 20,603.58 and 3,875.24

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Solution

The fourth proportional to 13,736.36, 20,603.58 and 3,875.24 is: 5,812.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.36 : 20,603.58 = 3,875.24 : x
  2. Step 2: Convert to fraction form
    13,736.36/20,603.58 = 3,875.24/x
  3. Step 3: Cross multiply
    13,736.36x = 20,603.58 × 3,875.24
  4. Step 4: Simplify right side
    13,736.36x = 79,843,817.36
  5. Step 5: Solve for x
    x = 79,843,817.36/13,736.36
  6. Step 6: Final answer
    x = 5,812.59

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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.