Home / 9,169.81-13,756.33-5,272.09

Finding the Fourth Proportional to 9,169.81, 13,756.33 and 5,272.09

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Solution

The fourth proportional to 9,169.81, 13,756.33 and 5,272.09 is: 7,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.81 : 13,756.33 = 5,272.09 : x
  2. Step 2: Convert to fraction form
    9,169.81/13,756.33 = 5,272.09/x
  3. Step 3: Cross multiply
    9,169.81x = 13,756.33 × 5,272.09
  4. Step 4: Simplify right side
    9,169.81x = 72,524,582.03
  5. Step 5: Solve for x
    x = 72,524,582.03/9,169.81
  6. Step 6: Final answer
    x = 7,909.06

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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.