Home / 14,147.67-21,218.22-5,267.19

Finding the Fourth Proportional to 14,147.67, 21,218.22 and 5,267.19

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Solution

The fourth proportional to 14,147.67, 21,218.22 and 5,267.19 is: 7,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.67 : 21,218.22 = 5,267.19 : x
  2. Step 2: Convert to fraction form
    14,147.67/21,218.22 = 5,267.19/x
  3. Step 3: Cross multiply
    14,147.67x = 21,218.22 × 5,267.19
  4. Step 4: Simplify right side
    14,147.67x = 111,760,356.42
  5. Step 5: Solve for x
    x = 111,760,356.42/14,147.67
  6. Step 6: Final answer
    x = 7,899.56

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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.