Home / 14,089.38-21,115.71-7,849.14

Finding the Fourth Proportional to 14,089.38, 21,115.71 and 7,849.14

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Solution

The fourth proportional to 14,089.38, 21,115.71 and 7,849.14 is: 11,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.38 : 21,115.71 = 7,849.14 : x
  2. Step 2: Convert to fraction form
    14,089.38/21,115.71 = 7,849.14/x
  3. Step 3: Cross multiply
    14,089.38x = 21,115.71 × 7,849.14
  4. Step 4: Simplify right side
    14,089.38x = 165,740,163.99
  5. Step 5: Solve for x
    x = 165,740,163.99/14,089.38
  6. Step 6: Final answer
    x = 11,763.48

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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.