Home / 19,450.16-29,172.48-11,103.11

Finding the Fourth Proportional to 19,450.16, 29,172.48 and 11,103.11

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Solution

The fourth proportional to 19,450.16, 29,172.48 and 11,103.11 is: 16,653.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,450.16 : 29,172.48 = 11,103.11 : x
  2. Step 2: Convert to fraction form
    19,450.16/29,172.48 = 11,103.11/x
  3. Step 3: Cross multiply
    19,450.16x = 29,172.48 × 11,103.11
  4. Step 4: Simplify right side
    19,450.16x = 323,905,108.55
  5. Step 5: Solve for x
    x = 323,905,108.55/19,450.16
  6. Step 6: Final answer
    x = 16,653.09

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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.