Home / 14,189.67-21,297.65-7,174.64

Finding the Fourth Proportional to 14,189.67, 21,297.65 and 7,174.64

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Solution

The fourth proportional to 14,189.67, 21,297.65 and 7,174.64 is: 10,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.67 : 21,297.65 = 7,174.64 : x
  2. Step 2: Convert to fraction form
    14,189.67/21,297.65 = 7,174.64/x
  3. Step 3: Cross multiply
    14,189.67x = 21,297.65 × 7,174.64
  4. Step 4: Simplify right side
    14,189.67x = 152,802,988.97
  5. Step 5: Solve for x
    x = 152,802,988.97/14,189.67
  6. Step 6: Final answer
    x = 10,768.61

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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.