Home / 13,911.42-19,198.24-7,623.80

Finding the Fourth Proportional to 13,911.42, 19,198.24 and 7,623.80

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Solution

The fourth proportional to 13,911.42, 19,198.24 and 7,623.80 is: 10,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.42 : 19,198.24 = 7,623.80 : x
  2. Step 2: Convert to fraction form
    13,911.42/19,198.24 = 7,623.80/x
  3. Step 3: Cross multiply
    13,911.42x = 19,198.24 × 7,623.80
  4. Step 4: Simplify right side
    13,911.42x = 146,363,542.11
  5. Step 5: Solve for x
    x = 146,363,542.11/13,911.42
  6. Step 6: Final answer
    x = 10,521.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.