Home / 14,133.24-21,200.31-7,109.42

Finding the Fourth Proportional to 14,133.24, 21,200.31 and 7,109.42

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Solution

The fourth proportional to 14,133.24, 21,200.31 and 7,109.42 is: 10,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.24 : 21,200.31 = 7,109.42 : x
  2. Step 2: Convert to fraction form
    14,133.24/21,200.31 = 7,109.42/x
  3. Step 3: Cross multiply
    14,133.24x = 21,200.31 × 7,109.42
  4. Step 4: Simplify right side
    14,133.24x = 150,721,907.92
  5. Step 5: Solve for x
    x = 150,721,907.92/14,133.24
  6. Step 6: Final answer
    x = 10,664.36

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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.