Home / 13,486.84-20,230.22-3,626.12

Finding the Fourth Proportional to 13,486.84, 20,230.22 and 3,626.12

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Solution

The fourth proportional to 13,486.84, 20,230.22 and 3,626.12 is: 5,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.84 : 20,230.22 = 3,626.12 : x
  2. Step 2: Convert to fraction form
    13,486.84/20,230.22 = 3,626.12/x
  3. Step 3: Cross multiply
    13,486.84x = 20,230.22 × 3,626.12
  4. Step 4: Simplify right side
    13,486.84x = 73,357,113.26
  5. Step 5: Solve for x
    x = 73,357,113.26/13,486.84
  6. Step 6: Final answer
    x = 5,439.16

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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.