Home / 13,116.63-19,644.22-9,171.83

Finding the Fourth Proportional to 13,116.63, 19,644.22 and 9,171.83

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Solution

The fourth proportional to 13,116.63, 19,644.22 and 9,171.83 is: 13,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.63 : 19,644.22 = 9,171.83 : x
  2. Step 2: Convert to fraction form
    13,116.63/19,644.22 = 9,171.83/x
  3. Step 3: Cross multiply
    13,116.63x = 19,644.22 × 9,171.83
  4. Step 4: Simplify right side
    13,116.63x = 180,173,506.90
  5. Step 5: Solve for x
    x = 180,173,506.90/13,116.63
  6. Step 6: Final answer
    x = 13,736.26

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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.