Home / 14,133.48-21,200.67-7,109.66

Finding the Fourth Proportional to 14,133.48, 21,200.67 and 7,109.66

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Solution

The fourth proportional to 14,133.48, 21,200.67 and 7,109.66 is: 10,664.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.48 : 21,200.67 = 7,109.66 : x
  2. Step 2: Convert to fraction form
    14,133.48/21,200.67 = 7,109.66/x
  3. Step 3: Cross multiply
    14,133.48x = 21,200.67 × 7,109.66
  4. Step 4: Simplify right side
    14,133.48x = 150,729,449.47
  5. Step 5: Solve for x
    x = 150,729,449.47/14,133.48
  6. Step 6: Final answer
    x = 10,664.71

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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.