Home / 13,477.12-20,215.68-3,616.18

Finding the Fourth Proportional to 13,477.12, 20,215.68 and 3,616.18

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Solution

The fourth proportional to 13,477.12, 20,215.68 and 3,616.18 is: 5,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.12 : 20,215.68 = 3,616.18 : x
  2. Step 2: Convert to fraction form
    13,477.12/20,215.68 = 3,616.18/x
  3. Step 3: Cross multiply
    13,477.12x = 20,215.68 × 3,616.18
  4. Step 4: Simplify right side
    13,477.12x = 73,103,537.70
  5. Step 5: Solve for x
    x = 73,103,537.70/13,477.12
  6. Step 6: Final answer
    x = 5,424.27

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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.